shell:$ nslookup -timeout=2 -retry=1 'fwdproxy-cln-001.fbsv.net' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: fwdproxy-cln-001.fbsv.net Address: 31.13.127.1 Name: fwdproxy-cln-001.fbsv.net Address: 2a03:2880:31ff:1::face:b00c