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The Public Suffix List

37 mentions on Hacker News by 32 people: 4 stories, 33 comments · first 2016-03-23 · latest 2026-10-24

Mentions per year 37 mentions · busiest year 2025 (10)
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  1. …instead of the subdomain. This can be a security problem. Getting added to the PSL may not happen: https://github.com/publicsuffix/list/pull/79 It can be difficult to get a free HTTPS certificate for your subdomain. Let's Encrypt applies…
    comment by 8organicbits · 2026-10-24 · in FreeDNS
  2. And the Public Suffix List didn't even attempt to handle .name. https://github.com/publicsuffix/list/issues/2306
    comment by duskwuff · 2026-10-17 · in Tell HN: Remember to migrate away from .name domain
  3. The .name mess is not in the public suffix list. https://github.com/publicsuffix/list/issues/2306 for more discussion.
    comment by strenholme · 2026-09-03 · in .name Termination
  4. …it clear that the existence of the name will be made public for security reasons). More reading: https://github.com/publicsuffix/list/issues/2306 (There seems to be issues with this list being too long to keep in the Public Suffix because…
    comment by strenholme · 2026-09-03 · in .name Termination
  5. …easy way to tell a reserved 2LD (open for 3LD registrations only) apart from a normal 2LD on .name: https://github.com/publicsuffix/list/issues/2306 So yes, this TLD’s setup is in fact pretty insane.
    comment by nneonneo · 2026-09-03 · in .name Termination
  6. …a wildcard suffix list Yes: https://publicsuffix.org/ and they have discussed this situation here: https://github.com/publicsuffix/list/issues/2306
    comment by SahAssar · 2026-09-03 · in .name Termination
  7. …https://radicle.dev/2026/04/23/domain-move 2: https://en.wikipedia.org/wiki/Public_Suffix_List 3: https://github.com/publicsuffix/list
    comment by behindsight · 2026-07-25 · in Bitchat is now on Radicle
  8. …use DNS to verify requests to join the list, at least. $ dig +short txt _psl.website.one @1.1.1.1 "https://github.com/publicsuffix/list/pull/2625" Doing this DNS in the browser in real-time would be a performance challenge, though. PSL…
    comment by m0dest · 2025-10-25 · in Google flags Immich sites as dangerous
  9. Last link the menu header: https://publicsuffix.org/submit/ Which then links to: https://github.com/publicsuffix/list/wiki/Guidelines#submitt... Fairly obvious and typical webpage > documentation flow I think, doesn't seem too hard to find.
    comment by CaptainOfCoit · 2025-10-23 · in Google flags Immich sites as dangerous
  10. Ah yeah, looks like it was added in 2022 https://github.com/publicsuffix/list/wiki/Guidelines/_compar... Thanks for the note!
    comment by zamadatix · 2025-10-11 · in Google Safe Browsing incident
  11. …(sic) thousands of users are quite likely to be declined. from PSL's GitHub repo's wiki [0]. [0]: https://github.com/publicsuffix/list/wiki/Guidelines#validat...
    comment by mh- · 2025-10-11 · in Google Safe Browsing incident
  12. …anything about me or my security practices and your claim of negligence is extremely unfounded. [1] https://github.com/publicsuffix/list/wiki/Guidelines#validat...
    comment by ericselin · 2025-10-10 · in Google Safe Browsing incident
  13. …to be able to keep said rights as a "project" vs a "business," [2] which has its pros and cons. [1] https://github.com/publicsuffix/list/blob/main/public_suffix... [2] https://groups.google.com/g/publicsuffix-discuss/c/xJZHBlyqq...
    comment by rasengan · 2025-10-10 · in Google Safe Browsing incident
  14. https://github.com/publicsuffix/list/wiki/Guidelines#validat... "Projects that are smaller in scale or are temporary or seasonal in nature will likely be declined. Examples of this might be private-use, sandbox, test, lab, beta, or other…
    comment by ericselin · 2025-10-10 · in Google Safe Browsing incident
  15. …There are some special things that go along with being a TLD and being in the public suffix list: https://github.com/publicsuffix/list If you drop the TLD part though, you can do whatever you want with any domain you want, up to and…
    comment by jerf · 2025-09-26 · in Open Social
  16. …is free to try to convince the domain owners, but the domain owner needs to approve the addition. https://github.com/publicsuffix/list/issues/271#issuecomment...
    comment by 8organicbits · 2025-09-11 · in Public Suffix List
  17. This list sees a lot more updates than you'd probably think: https://github.com/publicsuffix/list/commits/main/ I was looking at this in terms of trying to keep an app up-to-date, and there was a lot more churn than I expected. If you have…
    comment by jerf · 2025-09-11 · in Public Suffix List
  18. …benefit from the inclusion but the maintainers don't want to endorse such unsafe services.) [1] https://github.com/publicsuffix/list/wiki/Guidelines#validat...
    comment by lifthrasiir · 2024-09-12 · in Public Suffix List
  19. perfect use case for the public suffix list ( https://github.com/publicsuffix/list ) e.g. add *.ext.workplace.com
    comment by pgraf · 2024-03-23 · in Universities Lost the Internet
  20. …where the list is maintained [1] is pretty active. YMMV, I'm not a maintainer or anything.. [1] https://github.com/publicsuffix/list
    comment by mik3y · 2024-03-02 · in I accidentally made my link shortener into a malware honeypot
  21. …suffix list? Thats how I'd decide when to show a subdomain. pages.dev was added a few years back: https://github.com/publicsuffix/list/pull/1093
    comment by 8organicbits · 2023-05-10 · in See this page fetch itself, byte by byte, over TLS
  22. …May I suggest using a separate domain for tunnels, and adding it to the [public suffix list]( https://github.com/publicsuffix/list )? From what I can tell, takingnames.io subdomains are able to access the takingnames.io auth cookie. Having…
    comment by hsx · 2022-01-07 · in Show HN: Takingnames.io Beta – The first domain name provider for self-hosters
  23. …the PR. Also the domains do not hold anything other than customer data (similar to github.io). [1] https://github.com/publicsuffix/list/pulls?q=is%3Apr+author%...
    comment by TimWolla · 2021-07-16 · in Public Suffix List
  24. …defined. It seems to be based on domains, but backed by a human-curated list of "sites": < https://github.com/publicsuffix/list >. So it's different than Chrome's "every webpage gets a separate process".
    comment by yakubin · 2021-05-18 · in Site Isolation in Firefox
  25. …page it seems like the rate of invalid inclusion requests is very low, less than one per day: https://github.com/publicsuffix/list/pulls?q=label%3Awontfix...
    comment by kristofferR · 2021-04-07 · in iOS 14 and Facebook Pixel causing increase in PSL inclusion requests
  26. …a much more robust set of resources, the opportunity to sort this out amongst/betwixt themselves. https://github.com/publicsuffix/list/issues/1245#issuecommen... ~~Seems like FB was abusing the work of volunteers here as a reaction to…
    comment by fotta · 2021-04-07 · in iOS 14 and Facebook Pixel causing increase in PSL inclusion requests
  27. Mozilla maintains a public suffix list - https://publicsuffix.org/ https://github.com/publicsuffix/list/blob/master/public_suff...
    comment by mhio · 2021-03-06 · in Thanks HN: Lessons learned after Google nearly killed my site
  28. …on the Public Suffix List. The submission process is done via a pull request, described here: https://github.com/publicsuffix/list/wiki/Guidelines
    comment by lioeters · 2020-09-20 · in Bitwarden leaks passwords to other subdomains
  29. It includes both ac.uk and go.th. ac.uk: https://github.com/publicsuffix/list/blob/master/public_suff... go.th: https://github.com/publicsuffix/list/blob/master/public_suff...
    comment by Deimorz · 2019-08-29 · in Hong Kong ISP Association’s Statement on Selective Blocking of Internet Services
  30. Fortunately, they have an issue tracker and a documented update process: https://github.com/publicsuffix/list/wiki/Guidelines
    comment by om2 · 2019-08-16 · in WebKit Tracking Prevention Policy
  31. …higher level domain). This is a good idea if you're hosting user pages as subdomains. See also PRs https://github.com/publicsuffix/list/pull/722
    comment by Boulth · 2019-03-10 · in Using Let's Encrypt for Internal Servers (2018)
  32. …list of "effective TLDs": https://www.publicsuffix.org/ The maintenance process is described here: https://github.com/publicsuffix/list/wiki/Guidelines
    comment by owaty · 2019-01-30 · in Google Takes Its First Steps Toward Killing the URL
  33. …and cookies so you wouldn't want to do it on a domain without understanding the impact. [1]: https://github.com/publicsuffix/list/blob/master/public_suff... P.S. In the unlikely event that someone involved is reading this, PLEASE make this…
    comment by jewel · 2016-03-23 · in StartCom will log all issued SSL certificates to public CT log servers