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There's no DNS record for "ai.". It's actually the browser prepending www in search for a site and "www.ai." happens to exist.
by silverwind 11y ago
There's no DNS record for "ai.". It's actually the browser prepending www in search for a site and "www.ai." happens to exist.
- Animats 11y agoNo, there is a DNS record for "ai": $ nslookup ai Server: 127.0.1.1 Address: 127.0.1.1#53 Non-authoritative answer: Name: ai Address: 209.59.119.34 Rechecking using Google's DNS server: $ nslookup > server 8.8.8.8 Default server: 8.8.8.8 Address: 8.8.8.8#53 > ai Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: ai Address: 209.59.119.34 It's pingable: $ ping ai PING ai (209.59.119.34) 56(84) bytes of data. 64 bytes from offshore.ai (209.59.119.34): icmp_seq=1 ttl=46 time=133 ms 64 bytes from offshore.ai (209.59.119.34): icmp_seq=2 ttl=46 time=132 ms 64 bytes from offshore.ai (209.59.119.34): icmp_seq=3 ttl=46 time=132 ms ... And it speaks HTTP: $ wget ai --2015-08-09 14:26:26-- http://ai/ Resolving ai (ai)... 209.59.119.34 Connecting to ai (ai)|209.59.119.34|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1257 (1.2K) [text/html] Saving to: ‘index.html’ 100%[======================================>] 1,257 --.-K/s in 0.001s 2015-08-09 14:26:26 (842 KB/s) - ‘index.html’ saved [1257/1257] It doesn't respond to HTTPS, though. So we don't get to see a cert issued for a TLD. A base level TLD site is rare; most TLDs don't have one. But it's supported in DNS.