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Document that punycode ACE labels skip IDNA validation - #133

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adamtheturtle merged 1 commit into
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fix/issue-44
Aug 23, 2026
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Document that punycode ACE labels skip IDNA validation#133
adamtheturtle merged 1 commit into
mainfrom
fix/issue-44

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Closes #44

Punycode (xn--) hosts are accepted as opaque ASCII without IDNA/UTS-46 validation. Document the look-alike risk and pin it with tests: callers must allow-list expected hosts upstream.

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@adamtheturtle
adamtheturtle merged commit 7a25a6d into main Aug 23, 2026
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Punycode hosts accepted without upstream IDNA validation

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