Code:
$ cat domains.txt
hvaonline.net
hvaforum.net
hvazone.net
hvanews.net
vnhacker.org
$ while read d; do nslookup $d; done < domains.txt
Server: 8.8.4.4
Address: 8.8.4.4#53
Non-authoritative answer:
Name: hvaonline.net
Address: 74.63.219.12
Server: 8.8.4.4
Address: 8.8.4.4#53
...