shell:$ nslookup -timeout=2 -retry=1 'fwdproxy-prn-050.fbsv.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	fwdproxy-prn-050.fbsv.net
Address: 66.220.149.50
Name:	fwdproxy-prn-050.fbsv.net
Address: 2a03:2880:ff:32::face:b00c