shell:$ nslookup -timeout=2 -retry=1 '780.ir'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	780.ir
Address: 212.80.4.40
Name:	780.ir
Address: 212.80.4.42
Name:	780.ir
Address: 212.80.4.41