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testing for invalid idn combinations #219

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ctr49 opened this issue Apr 28, 2024 · 1 comment
Closed

testing for invalid idn combinations #219

ctr49 opened this issue Apr 28, 2024 · 1 comment

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@ctr49
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ctr49 commented Apr 28, 2024

On periodic dnstwist invocations of the homoglyph fuzzer I see almost daily flaps on many info domain variations.
I'm not sure if the returned ServFails (that come and go) are related to the invalid IDN combination, but diving into the details I found that dnstwist seems to create homoglpyh variations of the original domain that couldn't be registered with Afilias according to their (language/alphabet specific) IDN tables.

E.g. as far as I can tell the combination of the letters í (U+00ED) and ƈ (U+0188) cannot be both found in any supported alphabet for .info

I'm not sure if this intentional or not but wanted to leave it here if others run into a similar issue.

@elceef
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elceef commented Jun 21, 2024

Could you please check if commit 6e98866 resolved your issue?

@elceef elceef closed this as completed Oct 25, 2024
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