shell:$ nslookup -timeout=2 -retry=1 'tan.tellefsen.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	tan.tellefsen.net
Address: 91.213.203.197
Name:	tan.tellefsen.net
Address: 2001:67c:398::197