[geowwy]

http://ai/ doesn't work for me, but http://ai./ does

[tgsovlerkhgsel]

I get a SERVFAIL from what I presume to be systemd-resolved for both. When querying my router or 8.8.8.8 directly with dig, both work.

[Bjartr]

Neither works for me in Chrome on Android

[Gigachad]

This is probably the most edge case url there is.

[bornfreddy]

Both work for me in Firefox on MurenaOS (LineageOS based).

[CobrastanJorji]

http://ai./ works for me in Chrome with whatever my ISP default is.

[bufferoverflow]

Both work in Chrome on Android. Strange we have opposite experiences. I guess it depends on ISP's DNS.

[pxeboot]

They both work for me. I am using custom nameservers though.