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

Non-authoritative answer:
grameenphone.sex.com	canonical name = dmz01.sex.com.
Name:	dmz01.sex.com
Address: 209.50.54.189
Name:	dmz01.sex.com
Address: 209.50.58.179
Name:	dmz01.sex.com
Address: 152.44.38.193
Name:	dmz01.sex.com
Address: 209.50.50.186