shell:$ nslookup -timeout=2 -retry=1 'sip2.tvoip.turkcell.com.tr'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	sip2.tvoip.turkcell.com.tr
Address: 86.108.164.31
Name:	sip2.tvoip.turkcell.com.tr
Address: ::ffff:86.108.164.31