shell:$ nslookup -timeout=2 -retry=1 'www.mailsite.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.mailsite.com	canonical name = mailsite.com.
Name:	mailsite.com
Address: 108.156.172.73
Name:	mailsite.com
Address: 108.156.172.10
Name:	mailsite.com
Address: 108.156.172.94
Name:	mailsite.com
Address: 108.156.172.67