shell:$ nslookup -timeout=2 -retry=1 'prov.tekofis.turkcell.com.tr'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	prov.tekofis.turkcell.com.tr
Address: 176.235.67.69
Name:	prov.tekofis.turkcell.com.tr
Address: 176.235.68.69