shell:$ nslookup -timeout=2 -retry=1 'go.fb.me' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: go.fb.me canonical name = cname.bitly.com. Name: cname.bitly.com Address: 67.199.248.13 Name: cname.bitly.com Address: 67.199.248.12