diff --git a/iana-domains-db.json b/iana-domains-db.json
index 67f4160b..af678726 100644
--- a/iana-domains-db.json
+++ b/iana-domains-db.json
@@ -19,9 +19,9 @@
     "actor": "whois.nic.actor",
     "ad": "whois.nic.ad",
     "adac": null,
-    "ads": "whois.nic.ads",
+    "ads": "whois.nic.google",
     "adult": "whois.nic.adult",
-    "ae": null,
+    "ae": "whois.aeda.net.ae",
     "aeg": "whois.nic.aeg",
     "aero": "whois.aero",
     "aetna": "whois.nic.aetna",
@@ -32,7 +32,7 @@
     "ag": "whois.nic.ag",
     "agakhan": "whois.nic.agakhan",
     "agency": "whois.nic.agency",
-    "ai": null,
+    "ai": "whois.nic.ai",
     "aig": "whois.nic.aig",
     "aigo": null,
     "airbus": "whois.nic.airbus",
@@ -48,7 +48,7 @@
     "ally": "whois.nic.ally",
     "alsace": "whois.nic.alsace",
     "alstom": "whois.nic.alstom",
-    "am": "whois.nic.am",
+    "am": "whois.amnic.net",
     "amazon": "whois.nic.amazon",
     "americanexpress": "whois.nic.americanexpress",
     "americanfamily": "whois.nic.americanfamily",
@@ -58,13 +58,13 @@
     "amsterdam": "whois.nic.amsterdam",
     "an": null,
     "analytics": "whois.nic.analytics",
-    "android": "whois.nic.android",
-    "anquan": "whois.nic.anquan",
+    "android": "whois.nic.google",
+    "anquan": "whois.teleinfo.cn",
     "anz": "whois.nic.anz",
     "ao": null,
     "aol": "whois.nic.aol",
     "apartments": "whois.nic.apartments",
-    "app": "whois.nic.app",
+    "app": "whois.nic.google",
     "apple": "whois.nic.apple",
     "aq": null,
     "aquarelle": "whois.nic.aquarelle",
@@ -83,7 +83,7 @@
     "at": "whois.nic.at",
     "athleta": "whois.nic.athleta",
     "attorney": "whois.nic.attorney",
-    "au": null,
+    "au": "whois.auda.org.au",
     "auction": "whois.nic.auction",
     "audi": "whois.nic.audi",
     "audible": "whois.nic.audible",
@@ -95,13 +95,13 @@
     "avianca": null,
     "aw": "whois.nic.aw",
     "aws": "whois.nic.aws",
-    "ax": null,
+    "ax": "whois.ax",
     "axa": "whois.nic.axa",
     "az": null,
     "azure": "whois.nic.azure",
     "ba": null,
     "baby": "whois.nic.baby",
-    "baidu": "whois.nic.baidu",
+    "baidu": "whois.gtld.knet.cn",
     "banamex": "whois.nic.banamex",
     "bananarepublic": null,
     "band": "whois.nic.band",
@@ -123,7 +123,7 @@
     "bcg": "whois.nic.bcg",
     "bcn": "whois.nic.bcn",
     "bd": null,
-    "be": null,
+    "be": "whois.dns.be",
     "beats": "whois.nic.beats",
     "beauty": "whois.nic.beauty",
     "beer": "whois.nic.beer",
@@ -132,11 +132,11 @@
     "best": "whois.nic.best",
     "bestbuy": "whois.nic.bestbuy",
     "bet": "whois.nic.bet",
-    "bf": null,
-    "bg": null,
+    "bf": "whois.registre.bf",
+    "bg": "whois.register.bg",
     "bh": "whois.nic.bh",
     "bharti": "whois.nic.bharti",
-    "bi": "whois.nic.bi",
+    "bi": "whois1.nic.bi",
     "bible": "whois.nic.bible",
     "bid": "whois.nic.bid",
     "bike": "whois.nic.bike",
@@ -156,16 +156,16 @@
     "bm": "whois.nic.bm",
     "bms": "whois.nic.bms",
     "bmw": "whois.nic.bmw",
-    "bn": null,
+    "bn": "whois.bnnic.bn",
     "bnl": null,
     "bnpparibas": "whois.nic.bnpparibas",
-    "bo": null,
+    "bo": "whois.nic.bo",
     "boats": "whois.nic.boats",
     "boehringer": "whois.nic.boehringer",
     "bofa": "whois.nic.bofa",
-    "bom": "whois.nic.bom",
+    "bom": "whois.gtlds.nic.br",
     "bond": "whois.nic.bond",
-    "boo": "whois.nic.boo",
+    "boo": "whois.nic.google",
     "book": "whois.nic.book",
     "booking": "whois.nic.booking",
     "boots": null,
@@ -176,7 +176,7 @@
     "boutique": "whois.nic.boutique",
     "box": "whois.nic.box",
     "bq": null,
-    "br": "whois.nic.br",
+    "br": "whois.registro.br",
     "bradesco": "whois.nic.bradesco",
     "bridgestone": "whois.nic.bridgestone",
     "broadway": "whois.nic.broadway",
@@ -193,14 +193,14 @@
     "buy": "whois.nic.buy",
     "buzz": "whois.nic.buzz",
     "bv": null,
-    "bw": null,
-    "by": null,
+    "bw": "whois.nic.net.bw",
+    "by": "whois.cctld.by",
     "bz": null,
     "bzh": "whois.nic.bzh",
-    "ca": null,
+    "ca": "whois.cira.ca",
     "cab": "whois.nic.cab",
     "cafe": "whois.nic.cafe",
-    "cal": "whois.nic.cal",
+    "cal": "whois.nic.google",
     "call": "whois.nic.call",
     "calvinklein": "whois.nic.calvinklein",
     "cam": "whois.nic.cam",
@@ -231,19 +231,19 @@
     "cbn": "whois.nic.cbn",
     "cbre": "whois.nic.cbre",
     "cbs": null,
-    "cc": "whois.nic.cc",
+    "cc": "ccwhois.verisign-grs.com",
     "cd": "whois.nic.cd",
     "ceb": null,
     "center": "whois.nic.center",
     "ceo": "whois.nic.ceo",
     "cern": "whois.nic.cern",
-    "cf": null,
+    "cf": "whois.dot.cf",
     "cfa": "whois.nic.cfa",
     "cfd": "whois.nic.cfd",
     "cg": null,
     "ch": "whois.nic.ch",
     "chanel": "whois.nic.chanel",
-    "channel": "whois.nic.channel",
+    "channel": "whois.nic.google",
     "charity": "whois.nic.charity",
     "chase": "whois.nic.chase",
     "chat": "whois.nic.chat",
@@ -251,7 +251,7 @@
     "chintai": "whois.nic.chintai",
     "chloe": null,
     "christmas": "whois.nic.christmas",
-    "chrome": "whois.nic.chrome",
+    "chrome": "whois.nic.google",
     "chrysler": null,
     "church": "whois.nic.church",
     "ci": "whois.nic.ci",
@@ -275,14 +275,14 @@
     "club": "whois.nic.club",
     "clubmed": "whois.nic.clubmed",
     "cm": "whois.netcom.cm",
-    "cn": null,
+    "cn": "whois.cnnic.cn",
     "co": "whois.nic.co",
     "coach": "whois.nic.coach",
     "codes": "whois.nic.codes",
     "coffee": "whois.nic.coffee",
     "college": "whois.nic.college",
-    "cologne": "whois.nic.cologne",
-    "com": null,
+    "cologne": "whois.ryce-rsp.com",
+    "com": "whois.verisign-grs.com",
     "comcast": null,
     "commbank": "whois.nic.commbank",
     "community": "whois.nic.community",
@@ -325,16 +325,16 @@
     "cyou": "whois.nic.cyou",
     "cz": "whois.nic.cz",
     "dabur": null,
-    "dad": "whois.nic.dad",
+    "dad": "whois.nic.google",
     "dance": "whois.nic.dance",
     "data": "whois.nic.data",
     "date": "whois.nic.date",
     "dating": "whois.nic.dating",
-    "datsun": "whois.nic.datsun",
-    "day": "whois.nic.day",
-    "dclk": "whois.nic.dclk",
+    "datsun": "whois.nic.gmo",
+    "day": "whois.nic.google",
+    "dclk": "whois.nic.google",
     "dds": "whois.nic.dds",
-    "de": "whois.nic.de",
+    "de": "whois.denic.de",
     "deal": "whois.nic.deal",
     "dealer": "whois.nic.dealer",
     "deals": "whois.nic.deals",
@@ -348,7 +348,7 @@
     "dentist": "whois.nic.dentist",
     "desi": "whois.nic.desi",
     "design": "whois.nic.design",
-    "dev": "whois.nic.dev",
+    "dev": "whois.nic.google",
     "dhl": "whois.nic.dhl",
     "diamonds": "whois.nic.diamonds",
     "diet": "whois.nic.diet",
@@ -360,11 +360,11 @@
     "dish": "whois.nic.dish",
     "diy": "whois.nic.diy",
     "dj": null,
-    "dk": "whois.nic.dk",
-    "dm": "whois.nic.dm",
+    "dk": "whois.punktum.dk",
+    "dm": "whois.dmdomains.dm",
     "dnp": "whois.nic.dnp",
     "do": "whois.nic.do",
-    "docs": "whois.nic.docs",
+    "docs": "whois.nic.google",
     "doctor": "whois.nic.doctor",
     "dodge": null,
     "dog": "whois.nic.dog",
@@ -373,7 +373,7 @@
     "doosan": null,
     "dot": "whois.nic.dot",
     "download": "whois.nic.download",
-    "drive": "whois.nic.drive",
+    "drive": "whois.nic.google",
     "dtv": "whois.nic.dtv",
     "dubai": "whois.nic.dubai",
     "duck": null,
@@ -383,15 +383,15 @@
     "durban": "whois.nic.durban",
     "dvag": "whois.nic.dvag",
     "dvr": "whois.nic.dvr",
-    "dz": null,
+    "dz": "whois.nic.dz",
     "earth": "whois.nic.earth",
-    "eat": "whois.nic.eat",
-    "ec": null,
+    "eat": "whois.nic.google",
+    "ec": "whois.nic.ec",
     "eco": "whois.nic.eco",
     "edeka": "whois.nic.edeka",
-    "edu": null,
+    "edu": "whois.educause.edu",
     "education": "whois.nic.education",
-    "ee": null,
+    "ee": "whois.tld.ee",
     "eg": null,
     "eh": null,
     "email": "whois.nic.email",
@@ -407,12 +407,12 @@
     "ericsson": "whois.nic.ericsson",
     "erni": "whois.nic.erni",
     "es": "whois.nic.es",
-    "esq": "whois.nic.esq",
+    "esq": "whois.nic.google",
     "estate": "whois.nic.estate",
     "esurance": null,
     "et": null,
     "etisalat": null,
-    "eu": null,
+    "eu": "whois.eu",
     "eurovision": "whois.nic.eurovision",
     "eus": "whois.nic.eus",
     "events": "whois.nic.events",
@@ -437,12 +437,12 @@
     "feedback": "whois.nic.feedback",
     "ferrari": "whois.nic.ferrari",
     "ferrero": "whois.nic.ferrero",
-    "fi": null,
+    "fi": "whois.fi",
     "fiat": null,
     "fidelity": "whois.nic.fidelity",
     "fido": "whois.nic.fido",
     "film": "whois.nic.film",
-    "final": "whois.nic.final",
+    "final": "whois.gtlds.nic.br",
     "finance": "whois.nic.finance",
     "financial": "whois.nic.financial",
     "fire": "whois.nic.fire",
@@ -452,7 +452,7 @@
     "fishing": "whois.nic.fishing",
     "fit": "whois.nic.fit",
     "fitness": "whois.nic.fitness",
-    "fj": null,
+    "fj": "www.whois.fj",
     "fk": null,
     "flickr": "whois.nic.flickr",
     "flights": "whois.nic.flights",
@@ -460,10 +460,10 @@
     "florist": "whois.nic.florist",
     "flowers": "whois.nic.flowers",
     "flsmidth": null,
-    "fly": "whois.nic.fly",
+    "fly": "whois.nic.google",
     "fm": "whois.nic.fm",
     "fo": "whois.nic.fo",
-    "foo": "whois.nic.foo",
+    "foo": "whois.nic.google",
     "food": "whois.nic.food",
     "foodnetwork": null,
     "football": "whois.nic.football",
@@ -481,7 +481,7 @@
     "frontdoor": null,
     "frontier": "whois.nic.frontier",
     "ftr": "whois.nic.ftr",
-    "fujitsu": "whois.nic.fujitsu",
+    "fujitsu": "whois.nic.gmo",
     "fujixerox": null,
     "fun": "whois.nic.fun",
     "fund": "whois.nic.fund",
@@ -499,7 +499,7 @@
     "garden": "whois.nic.garden",
     "gay": "whois.nic.gay",
     "gb": null,
-    "gbiz": "whois.nic.gbiz",
+    "gbiz": "whois.nic.google",
     "gd": "whois.nic.gd",
     "gdn": "whois.nic.gdn",
     "ge": "whois.nic.ge",
@@ -507,41 +507,41 @@
     "gent": "whois.nic.gent",
     "genting": "whois.nic.genting",
     "george": "whois.nic.george",
-    "gf": null,
-    "gg": null,
+    "gf": "whois.mediaserv.net",
+    "gg": "whois.gg",
     "ggee": "whois.nic.ggee",
     "gh": "whois.nic.gh",
-    "gi": null,
-    "gift": "whois.nic.gift",
+    "gi": "whois.identitydigital.services",
+    "gift": "whois.uniregistry.net",
     "gifts": "whois.nic.gifts",
     "gives": "whois.nic.gives",
     "giving": "whois.nic.giving",
     "gl": "whois.nic.gl",
     "glade": null,
     "glass": "whois.nic.glass",
-    "gle": "whois.nic.gle",
+    "gle": "whois.nic.google",
     "global": "whois.nic.global",
-    "globo": "whois.nic.globo",
+    "globo": "whois.gtlds.nic.br",
     "gm": null,
-    "gmail": "whois.nic.gmail",
+    "gmail": "whois.nic.google",
     "gmbh": "whois.nic.gmbh",
     "gmo": "whois.nic.gmo",
     "gmx": "whois.nic.gmx",
-    "gn": null,
+    "gn": "whois.ande.gov.gn",
     "godaddy": "whois.nic.godaddy",
     "gold": "whois.nic.gold",
     "goldpoint": "whois.nic.goldpoint",
     "golf": "whois.nic.golf",
-    "goo": "whois.nic.goo",
+    "goo": "whois.nic.gmo",
     "goodhands": null,
     "goodyear": "whois.nic.goodyear",
-    "goog": "whois.nic.goog",
+    "goog": "whois.nic.google",
     "google": "whois.nic.google",
     "gop": "whois.nic.gop",
     "got": "whois.nic.got",
-    "gov": "whois.nic.gov",
-    "gp": null,
-    "gq": null,
+    "gov": "whois.dotgov.gov",
+    "gp": "whois.nic.gp",
+    "gq": "whois.dominio.gq",
     "gr": null,
     "grainger": "whois.nic.grainger",
     "graphics": "whois.nic.graphics",
@@ -555,15 +555,15 @@
     "gu": null,
     "guardian": null,
     "gucci": "whois.nic.gucci",
-    "guge": "whois.nic.guge",
+    "guge": "whois.nic.google",
     "guide": "whois.nic.guide",
     "guitars": "whois.nic.guitars",
     "guru": "whois.nic.guru",
     "gw": null,
-    "gy": null,
+    "gy": "whois.registry.gy",
     "hair": "whois.nic.hair",
     "hamburg": "whois.nic.hamburg",
-    "hangout": "whois.nic.hangout",
+    "hangout": "whois.nic.google",
     "haus": "whois.nic.haus",
     "hbo": "whois.nic.hbo",
     "hdfc": "whois.nic.hdfc",
@@ -572,16 +572,16 @@
     "healthcare": "whois.nic.healthcare",
     "help": "whois.nic.help",
     "helsinki": "whois.nic.helsinki",
-    "here": "whois.nic.here",
+    "here": "whois.nic.google",
     "hermes": "whois.nic.hermes",
     "hgtv": null,
     "hiphop": "whois.nic.hiphop",
-    "hisamitsu": "whois.nic.hisamitsu",
-    "hitachi": "whois.nic.hitachi",
+    "hisamitsu": "whois.nic.gmo",
+    "hitachi": "whois.nic.gmo",
     "hiv": "whois.nic.hiv",
     "hk": "whois.hkirc.hk",
     "hkt": "whois.nic.hkt",
-    "hm": null,
+    "hm": "whois.registry.hm",
     "hn": "whois.nic.hn",
     "hockey": "whois.nic.hockey",
     "holdings": "whois.nic.holdings",
@@ -594,15 +594,15 @@
     "honeywell": null,
     "horse": "whois.nic.horse",
     "hospital": "whois.nic.hospital",
-    "host": null,
+    "host": "whois.nic.host",
     "hosting": "whois.nic.hosting",
     "hot": "whois.nic.hot",
     "hoteles": null,
     "hotels": "whois.nic.hotels",
     "hotmail": "whois.nic.hotmail",
     "house": "whois.nic.house",
-    "how": "whois.nic.how",
-    "hr": "whois.nic.hr",
+    "how": "whois.nic.google",
+    "hr": "whois.dns.hr",
     "hsbc": "whois.nic.hsbc",
     "ht": "whois.nic.ht",
     "htc": null,
@@ -613,40 +613,40 @@
     "ibm": "whois.nic.ibm",
     "icbc": "whois.nic.icbc",
     "ice": "whois.nic.ice",
-    "icu": null,
-    "id": null,
-    "ie": null,
+    "icu": "whois.nic.icu",
+    "id": "whois.id",
+    "ie": "whois.weare.ie",
     "ieee": "whois.nic.ieee",
     "ifm": "whois.nic.ifm",
     "iinet": null,
     "ikano": "whois.nic.ikano",
-    "il": null,
+    "il": "whois.isoc.org.il",
     "im": "whois.nic.im",
     "imamat": "whois.nic.imamat",
     "imdb": "whois.nic.imdb",
     "immo": "whois.nic.immo",
     "immobilien": "whois.nic.immobilien",
-    "in": null,
+    "in": "whois.registry.in",
     "inc": "whois.nic.inc",
     "industries": "whois.nic.industries",
-    "infiniti": "whois.nic.infiniti",
+    "infiniti": "whois.nic.gmo",
     "info": "whois.nic.info",
-    "ing": "whois.nic.ing",
+    "ing": "whois.nic.google",
     "ink": "whois.nic.ink",
     "institute": "whois.nic.institute",
     "insurance": "whois.nic.insurance",
     "insure": "whois.nic.insure",
-    "int": null,
+    "int": "whois.iana.org",
     "intel": null,
     "international": "whois.nic.international",
     "intuit": "whois.nic.intuit",
     "investments": "whois.nic.investments",
     "io": "whois.nic.io",
     "ipiranga": "whois.nic.ipiranga",
-    "iq": null,
+    "iq": "whois.cmc.iq",
     "ir": "whois.nic.ir",
     "irish": "whois.nic.irish",
-    "is": "whois.nic.is",
+    "is": "whois.isnic.is",
     "iselect": null,
     "ismaili": "whois.nic.ismaili",
     "ist": "whois.nic.ist",
@@ -658,9 +658,9 @@
     "iwc": null,
     "jaguar": "whois.nic.jaguar",
     "java": "whois.nic.java",
-    "jcb": "whois.nic.jcb",
+    "jcb": "whois.nic.gmo",
     "jcp": null,
-    "je": null,
+    "je": "whois.je",
     "jeep": "whois.nic.jeep",
     "jetzt": "whois.nic.jetzt",
     "jewelry": "whois.nic.jewelry",
@@ -675,19 +675,19 @@
     "joburg": "whois.nic.joburg",
     "jot": "whois.nic.jot",
     "joy": "whois.nic.joy",
-    "jp": null,
+    "jp": "whois.jprs.jp",
     "jpmorgan": "whois.nic.jpmorgan",
     "jprs": "whois.nic.jprs",
-    "juegos": "whois.nic.juegos",
+    "juegos": "whois.uniregistry.net",
     "juniper": "whois.nic.juniper",
     "kaufen": "whois.nic.kaufen",
     "kddi": "whois.nic.kddi",
-    "ke": null,
+    "ke": "whois.kenic.or.ke",
     "kerryhotels": "whois.nic.kerryhotels",
     "kerrylogistics": "whois.nic.kerrylogistics",
     "kerryproperties": "whois.nic.kerryproperties",
     "kfh": "whois.nic.kfh",
-    "kg": null,
+    "kg": "whois.kg",
     "kh": null,
     "ki": "whois.nic.ki",
     "kia": "whois.nic.kia",
@@ -699,18 +699,18 @@
     "kiwi": "whois.nic.kiwi",
     "km": null,
     "kn": "whois.nic.kn",
-    "koeln": "whois.nic.koeln",
+    "koeln": "whois.ryce-rsp.com",
     "komatsu": "whois.nic.komatsu",
     "kosher": "whois.nic.kosher",
     "kp": null,
     "kpmg": "whois.nic.kpmg",
     "kpn": "whois.nic.kpn",
-    "kr": null,
+    "kr": "whois.kr",
     "krd": "whois.nic.krd",
     "kred": "whois.nic.kred",
     "kuokgroup": "whois.nic.kuokgroup",
     "kw": "whois.nic.kw",
-    "ky": null,
+    "ky": "whois.kyregistry.ky",
     "kyoto": "whois.nic.kyoto",
     "kz": "whois.nic.kz",
     "la": "whois.nic.la",
@@ -730,7 +730,7 @@
     "latrobe": "whois.nic.latrobe",
     "law": "whois.nic.law",
     "lawyer": "whois.nic.lawyer",
-    "lb": null,
+    "lb": "whois.lbdr.org.lb",
     "lc": null,
     "lds": "whois.nic.lds",
     "lease": "whois.nic.lease",
@@ -753,7 +753,7 @@
     "limo": "whois.nic.limo",
     "lincoln": "whois.nic.lincoln",
     "linde": null,
-    "link": "whois.nic.link",
+    "link": "whois.uniregistry.net",
     "lipsy": "whois.nic.lipsy",
     "live": "whois.nic.live",
     "living": "whois.nic.living",
@@ -775,17 +775,17 @@
     "lplfinancial": "whois.nic.lplfinancial",
     "lr": null,
     "ls": "whois.nic.ls",
-    "lt": null,
+    "lt": "whois.domreg.lt",
     "ltd": "whois.nic.ltd",
     "ltda": "whois.nic.ltda",
-    "lu": null,
+    "lu": "whois.dns.lu",
     "lundbeck": "whois.nic.lundbeck",
     "lupin": null,
     "luxe": "whois.nic.luxe",
     "luxury": "whois.nic.luxury",
     "lv": "whois.nic.lv",
-    "ly": null,
-    "ma": null,
+    "ly": "whois.nic.ly",
+    "ma": "whois.registre.ma",
     "macys": null,
     "madrid": "whois.nic.madrid",
     "maif": "whois.nic.maif",
@@ -794,7 +794,7 @@
     "man": "whois.nic.man",
     "management": "whois.nic.management",
     "mango": "whois.nic.mango",
-    "map": "whois.nic.map",
+    "map": "whois.nic.google",
     "market": "whois.nic.market",
     "marketing": "whois.nic.marketing",
     "markets": "whois.nic.markets",
@@ -811,9 +811,9 @@
     "me": "whois.nic.me",
     "med": "whois.nic.med",
     "media": "whois.nic.media",
-    "meet": "whois.nic.meet",
+    "meet": "whois.nic.google",
     "melbourne": "whois.nic.melbourne",
-    "meme": "whois.nic.meme",
+    "meme": "whois.nic.google",
     "memorial": "whois.nic.memorial",
     "men": "whois.nic.men",
     "menu": "whois.nic.menu",
@@ -829,15 +829,15 @@
     "mini": "whois.nic.mini",
     "mint": "whois.nic.mint",
     "mit": "whois.nic.mit",
-    "mitsubishi": "whois.nic.mitsubishi",
-    "mk": null,
-    "ml": null,
+    "mitsubishi": "whois.nic.gmo",
+    "mk": "whois.marnet.mk",
+    "ml": "whois.nic.ml",
     "mlb": "whois.nic.mlb",
     "mls": "whois.nic.mls",
-    "mm": null,
+    "mm": "whois.registry.gov.mm",
     "mma": "whois.nic.mma",
     "mn": "whois.nic.mn",
-    "mo": null,
+    "mo": "whois.monic.mo",
     "mobi": "whois.nic.mobi",
     "mobile": "whois.nic.mobile",
     "mobily": null,
@@ -855,11 +855,11 @@
     "moscow": "whois.nic.moscow",
     "moto": "whois.nic.moto",
     "motorcycles": "whois.nic.motorcycles",
-    "mov": "whois.nic.mov",
+    "mov": "whois.nic.google",
     "movie": "whois.nic.movie",
     "movistar": null,
     "mp": null,
-    "mq": "whois.nic.mq",
+    "mq": "whois.mediaserv.net",
     "mr": "whois.nic.mr",
     "ms": "whois.nic.ms",
     "msd": "whois.nic.msd",
@@ -874,8 +874,8 @@
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     "mv": null,
     "mw": "whois.nic.mw",
-    "mx": null,
-    "my": null,
+    "mx": "whois.mx",
+    "my": "whois.mynic.my",
     "mz": "whois.nic.mz",
     "na": null,
     "nab": "whois.nic.nab",
@@ -886,23 +886,23 @@
     "natura": null,
     "navy": "whois.nic.navy",
     "nba": "whois.nic.nba",
-    "nc": null,
+    "nc": "whois.nc",
     "ne": null,
     "nec": "whois.nic.nec",
-    "net": null,
+    "net": "whois.verisign-grs.com",
     "netbank": "whois.nic.netbank",
     "netflix": "whois.nic.netflix",
     "network": "whois.nic.network",
     "neustar": "whois.nic.neustar",
-    "new": "whois.nic.new",
+    "new": "whois.nic.google",
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     "news": "whois.nic.news",
     "next": "whois.nic.next",
     "nextdirect": "whois.nic.nextdirect",
-    "nexus": "whois.nic.nexus",
+    "nexus": "whois.nic.google",
     "nf": "whois.nic.nf",
     "nfl": "whois.nic.nfl",
-    "ng": null,
+    "ng": "whois.nic.net.ng",
     "ngo": "whois.nic.ngo",
     "nhk": "whois.nic.nhk",
     "ni": null,
@@ -910,10 +910,10 @@
     "nike": "whois.nic.nike",
     "nikon": "whois.nic.nikon",
     "ninja": "whois.nic.ninja",
-    "nissan": "whois.nic.nissan",
+    "nissan": "whois.nic.gmo",
     "nissay": "whois.nic.nissay",
-    "nl": null,
-    "no": null,
+    "nl": "whois.domain-registry.nl",
+    "no": "whois.norid.no",
     "nokia": "whois.nic.nokia",
     "northwesternmutual": null,
     "norton": "whois.nic.norton",
@@ -925,11 +925,11 @@
     "nra": "whois.nic.nra",
     "nrw": "whois.nic.nrw",
     "ntt": "whois.nic.ntt",
-    "nu": null,
+    "nu": "whois.iis.nu",
     "nyc": "whois.nic.nyc",
-    "nz": null,
+    "nz": "whois.irs.net.nz",
     "obi": "whois.nic.obi",
-    "observer": null,
+    "observer": "whois.nic.observer",
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     "office": "whois.nic.office",
     "okinawa": "whois.nic.okinawa",
@@ -937,7 +937,7 @@
     "olayangroup": "whois.nic.olayangroup",
     "oldnavy": null,
     "ollo": "whois.nic.ollo",
-    "om": null,
+    "om": "whois.registry.om",
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     "one": "whois.nic.one",
     "ong": "whois.nic.ong",
@@ -948,7 +948,7 @@
     "open": "whois.nic.open",
     "oracle": "whois.nic.oracle",
     "orange": "whois.nic.orange",
-    "org": null,
+    "org": "whois.publicinterestregistry.org",
     "organic": "whois.nic.organic",
     "orientexpress": null,
     "origins": "whois.nic.origins",
@@ -957,9 +957,9 @@
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     "ovh": "whois.nic.ovh",
     "pa": null,
-    "page": "whois.nic.page",
+    "page": "whois.nic.google",
     "pamperedchef": null,
-    "panasonic": "whois.nic.panasonic",
+    "panasonic": "whois.nic.gmo",
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     "paris": "whois.nic.paris",
     "pars": "whois.nic.pars",
@@ -969,14 +969,14 @@
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     "pay": "whois.nic.pay",
     "pccw": "whois.nic.pccw",
-    "pe": "whois.nic.pe",
+    "pe": "kero.yachay.pe",
     "pet": "whois.nic.pet",
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+    "pf": "whois.registry.pf",
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     "pg": null,
     "ph": null,
     "pharmacy": "whois.nic.pharmacy",
-    "phd": "whois.nic.phd",
+    "phd": "whois.nic.google",
     "philips": "whois.nic.philips",
     "phone": "whois.nic.phone",
     "photo": "whois.nic.photo",
@@ -993,10 +993,10 @@
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     "pioneer": "whois.nic.pioneer",
     "pizza": "whois.nic.pizza",
-    "pk": null,
-    "pl": null,
+    "pk": "whois.pknic.net.pk",
+    "pl": "whois.dns.pl",
     "place": "whois.nic.place",
-    "play": "whois.nic.play",
+    "play": "whois.nic.google",
     "playstation": "whois.nic.playstation",
     "plumbing": "whois.nic.plumbing",
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@@ -1007,16 +1007,16 @@
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     "politie": "whois.nic.politie",
     "porn": "whois.nic.porn",
-    "post": "whois.nic.post",
-    "pr": "whois.nic.pr",
+    "post": "whois.dotpostregistry.net",
+    "pr": "whois.afilias-srs.net",
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     "press": "whois.nic.press",
     "prime": "whois.nic.prime",
     "pro": "whois.nic.pro",
-    "prod": "whois.nic.prod",
+    "prod": "whois.nic.google",
     "productions": "whois.nic.productions",
-    "prof": "whois.nic.prof",
+    "prof": "whois.nic.google",
     "progressive": "whois.nic.progressive",
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     "properties": "whois.nic.properties",
@@ -1025,12 +1025,12 @@
     "pru": "whois.nic.pru",
     "prudential": "whois.nic.prudential",
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+    "pt": "whois.dns.pt",
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     "pw": "whois.nic.pw",
     "pwc": "whois.nic.pwc",
     "py": null,
-    "qa": null,
+    "qa": "whois.registry.qa",
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     "quebec": "whois.nic.quebec",
     "quest": "whois.nic.quest",
@@ -1068,25 +1068,25 @@
     "ricoh": "whois.nic.ricoh",
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     "ril": "whois.nic.ril",
-    "rio": "whois.nic.rio",
+    "rio": "whois.gtlds.nic.br",
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+    "ro": "whois.rotld.ro",
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     "rocks": "whois.nic.rocks",
     "rodeo": "whois.nic.rodeo",
     "rogers": "whois.nic.rogers",
     "room": "whois.nic.room",
-    "rs": null,
-    "rsvp": "whois.nic.rsvp",
-    "ru": "whois.nic.ru",
+    "rs": "whois.rnids.rs",
+    "rsvp": "whois.nic.google",
+    "ru": "whois.tcinet.ru",
     "rugby": "whois.nic.rugby",
     "ruhr": "whois.nic.ruhr",
     "run": "whois.nic.run",
-    "rw": "whois.nic.rw",
+    "rw": "whois.ricta.org.rw",
     "rwe": "whois.nic.rwe",
     "ryukyu": "whois.nic.ryukyu",
-    "sa": "whois.nic.sa",
+    "sa": "whois.nic.net.sa",
     "saarland": "whois.nic.saarland",
     "safe": "whois.nic.safe",
     "safety": "whois.nic.safety",
@@ -1104,13 +1104,13 @@
     "sas": "whois.nic.sas",
     "save": "whois.nic.save",
     "saxo": "whois.nic.saxo",
-    "sb": "whois.nic.sb",
+    "sb": "whois.nic.net.sb",
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     "sc": "whois.nic.sc",
     "sca": null,
     "scb": "whois.nic.scb",
-    "schaeffler": "whois.nic.schaeffler",
+    "schaeffler": "whois.afilias-srs.net",
     "schmidt": "whois.nic.schmidt",
     "scholarships": "whois.nic.scholarships",
     "school": "whois.nic.school",
@@ -1121,14 +1121,14 @@
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     "scot": "whois.nic.scot",
     "sd": "whois.nic.sd",
-    "se": null,
-    "search": "whois.nic.search",
+    "se": "whois.iis.se",
+    "search": "whois.nic.google",
     "seat": "whois.nic.seat",
     "secure": "whois.nic.secure",
     "security": "whois.nic.security",
     "seek": "whois.nic.seek",
     "select": "whois.nic.select",
-    "sener": "whois.nic.sener",
+    "sener": "whois.nic.rwe",
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     "seven": "whois.nic.seven",
@@ -1136,10 +1136,10 @@
     "sex": "whois.nic.sex",
     "sexy": "whois.nic.sexy",
     "sfr": "whois.nic.sfr",
-    "sg": null,
+    "sg": "whois.sgnic.sg",
     "sh": "whois.nic.sh",
     "shangrila": "whois.nic.shangrila",
-    "sharp": "whois.nic.sharp",
+    "sharp": "whois.nic.gmo",
     "shaw": "whois.afilias-srs.net",
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     "shia": "whois.nic.shia",
@@ -1147,17 +1147,17 @@
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     "shop": "whois.nic.shop",
     "shopping": "whois.nic.shopping",
-    "shouji": "whois.nic.shouji",
+    "shouji": "whois.teleinfo.cn",
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     "shriram": null,
-    "si": null,
+    "si": "whois.register.si",
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     "singles": "whois.nic.singles",
     "site": "whois.nic.site",
     "sj": null,
-    "sk": null,
+    "sk": "whois.sk-nic.sk",
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     "sky": "whois.nic.sky",
@@ -1179,7 +1179,7 @@
     "solutions": "whois.nic.solutions",
     "song": "whois.nic.song",
     "sony": "whois.nic.sony",
-    "soy": "whois.nic.soy",
+    "soy": "whois.nic.google",
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@@ -1207,7 +1207,7 @@
     "studio": "whois.nic.studio",
     "study": "whois.nic.study",
     "style": "whois.nic.style",
-    "su": null,
+    "su": "whois.tcinet.ru",
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@@ -1219,7 +1219,7 @@
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     "swiss": "whois.nic.swiss",
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+    "sx": "whois.sx",
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@@ -1250,7 +1250,7 @@
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     "tf": "whois.nic.tf",
     "tg": "whois.nic.tg",
-    "th": null,
+    "th": "whois.thnic.co.th",
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     "theatre": "whois.nic.theatre",
@@ -1264,13 +1264,13 @@
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     "tjx": "whois.nic.tjx",
-    "tk": null,
+    "tk": "whois.dot.tk",
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+    "tl": "whois.nic.tl",
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-    "to": null,
+    "tn": "whois.ati.tn",
+    "to": "whois.tonic.to",
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@@ -1283,7 +1283,7 @@
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     "toys": "whois.nic.toys",
     "tp": null,
-    "tr": "whois.nic.tr",
+    "tr": "whois.trabis.gov.tr",
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     "trading": "whois.nic.trading",
     "training": "whois.nic.training",
@@ -1300,36 +1300,36 @@
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     "tvs": "whois.nic.tvs",
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-    "tz": null,
-    "ua": null,
+    "tw": "whois.twnic.net.tw",
+    "tz": "whois.tznic.or.tz",
+    "ua": "whois.ua",
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     "ubs": "whois.nic.ubs",
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-    "ug": null,
+    "ug": "whois.co.ug",
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     "university": "whois.nic.university",
     "uno": "whois.nic.uno",
-    "uol": "whois.nic.uol",
+    "uol": "whois.gtlds.nic.br",
     "ups": "whois.nic.ups",
     "us": "whois.nic.us",
-    "uy": null,
-    "uz": null,
+    "uy": "whois.nic.org.uy",
+    "uz": "whois.cctld.uz",
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     "vana": "whois.nic.vana",
     "vanguard": "whois.nic.vanguard",
-    "vc": null,
-    "ve": null,
+    "vc": "whois.identitydigital.services",
+    "ve": "whois.nic.ve",
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     "versicherung": "whois.nic.versicherung",
     "vet": "whois.nic.vet",
     "vg": "whois.nic.vg",
-    "vi": "whois.nic.vi",
+    "vi": "virgil.nic.vi",
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@@ -1353,12 +1353,12 @@
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     "walmart": "whois.nic.walmart",
     "walter": "whois.nic.walter",
-    "wang": "whois.nic.wang",
+    "wang": "whois.gtld.knet.cn",
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@@ -1388,52 +1388,52 @@
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     "xerox": "whois.nic.xerox",
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-    "xihuan": "whois.nic.xihuan",
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+    "xn--3ds443g": "whois.teleinfo.cn",
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+    "xn--45br5cyl": "whois.registry.in",
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+    "xn--45q11c": "whois.gtld.knet.cn",
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@@ -1552,19 +1552,19 @@
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-    "xn--xhq521b": "whois.nic.xn--xhq521b",
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+    "xn--y9a3aq": "whois.amnic.net",
+    "xn--yfro4i67o": "whois.zh.sgnic.sg",
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-    "xn--zfr164b": "whois.nic.xn--zfr164b",
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@@ -1572,21 +1572,21 @@
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-    "ye": null,
-    "yodobashi": "whois.nic.yodobashi",
+    "ye": "whois.y.net.ye",
+    "yodobashi": "whois.nic.gmo",
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     "yokohama": "whois.nic.yokohama",
     "you": "whois.nic.you",
-    "youtube": "whois.nic.youtube",
+    "youtube": "whois.nic.google",
     "yt": "whois.nic.yt",
-    "yun": "whois.nic.yun",
+    "yun": "whois.teleinfo.cn",
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     "zappos": "whois.nic.zappos",
     "zara": "whois.nic.zara",
     "zero": "whois.nic.zero",
-    "zip": "whois.nic.zip",
+    "zip": "whois.nic.google",
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-    "zm": "whois.nic.zm",
+    "zm": "whois.zicta.zm",
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