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Comment by tghw | Hacker News Reader

Slightly off topic, but this may be one of the first cases of a reversible domain.

https://google.ai/ and https://ai.google/ both point to the same page.

This domain is reversible: http://net.net Created Date: 1994-10-23

Of course, back in the 1980s all UK domain names were the other way round. UCL was uk.ac.ucl.cs if you used X25 and cs.ucl.ac.uk if you used TCP/IP. UCL was the gateway between the two worlds, and used magic heuristics to figure out which universe to forward email to. For example, if the domain started with "cs" it was a TCP/IP address and if it ended with "cs" it was an X25 address. Which worked well, right up until Czechoslovakia joined the Internet.

Yes but google.ai is the canonical version: <link rel="canonical" href="https://google.ai/">

For some reasons, both homepages currently show as <link rel="canonical" href="http://localhost/">

Interesting. You can have one too if you want.

One example: limited.international and international.limited are both available

>One example: limited.international and international.limited are both available

Both of those appear to be blocked by the registry.

Edit: Nevermind, not blocked but flagged as "premium" and sold at ~double price.

https://com.google/ works, although it redirects to https://google.com/

com.google is left over from our April Fools joke for 2015, a reversed version of the Google Search home page. More info here, grep for Elgoog: https://thenextweb.com/google/2015/04/01/roundup-all-of-goog...

We don't have the reversed version up anymore; it's now just a redirect.

Thanks for this, my employer (a large bank) blocks .ai

com.com, net.net?

Someone should make a Windows programming how-to site and call it: calm.dotnet.com

I thought dotnet.net was already bad...

Aren't .blog TLDs available. I'm surprised google.blog isn't registered.

It appears to be registered by google, just isn't being actively used.

blog.google works though

com.google and google.com also point to the same page.

shouldn't that be ia.elgoog

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