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