shell:$ nslookup -timeout=2 -retry=1 'www.mci.ir'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	www.mci.ir
Address: 5.106.4.1
Name:	www.mci.ir
Address: 2a02:4544:e0:300::1