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

Non-authoritative answer:
Name:	portal.grab.com
Address: 18.141.135.42
Name:	portal.grab.com
Address: 3.1.112.163
Name:	portal.grab.com
Address: 54.179.47.220
Name:	portal.grab.com
Address: 13.251.3.96
Name:	portal.grab.com
Address: 13.250.189.208
Name:	portal.grab.com
Address: 54.169.135.216
Name:	portal.grab.com
Address: 13.215.2.78
Name:	portal.grab.com
Address: 3.0.227.113