shell:$ nslookup -timeout=2 -retry=1 'smtp-corp.xl.net.id'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	smtp-corp.xl.net.id
Address: 121.52.61.39
Name:	smtp-corp.xl.net.id
Address: 121.52.61.9