shell:$ nslookup -timeout=2 -retry=1 'tnl17.royalnik.ir'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
tnl17.royalnik.ir	canonical name = radvin17.garmestan.ir.
Name:	radvin17.garmestan.ir
Address: 89.235.116.62