shell:$ nslookup -timeout=2 -retry=1 'whmcs.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	whmcs.com
Address: 104.20.36.75
Name:	whmcs.com
Address: 172.66.151.35
Name:	whmcs.com
Address: 2606:4700:10::ac42:9723
Name:	whmcs.com
Address: 2606:4700:10::6814:244b