Works here. Works on your dns.google.com URL too.
$ nslookup nic.xyz 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
Name: nic.xyz
Address: 54.183.18.58
Name: nic.xyz
Address: 54.183.101.119