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

Non-authoritative answer:
Name:	b.roobze.com
Address: 104.18.18.210
Name:	b.roobze.com
Address: 104.18.19.210
Name:	b.roobze.com
Address: 2606:4700::6812:12d2
Name:	b.roobze.com
Address: 2606:4700::6812:13d2