How many consecutive hyphens can you have in a domain name? (shkspr.mobi)

submitted 2 months ago by mesamunefire@piefed.social to c/programming@programming.dev

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A seemingly simple question which sent me down into the murky depths of standards. How many consecutive hyphens can you have in a domain name? It probably isn't sensible to name your online presence a----------hyphen.com - but is there anything technically stopping you? Table of ContentsHistoryTLD RestrictionsAnomaliesSo What? History Let's do some history! This is 1978's "HOST NAMES…

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[-] picnicolas@slrpnk.net 15 points 2 months ago

Possibly the most consecutive hyphens belongs to http://a-------------------------------------------------------------a.com/

Sixty-one hyphens! The maximum possible, and it still works!

this post was submitted on 08 Jun 2026

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