shell:$ nslookup -timeout=2 -retry=1 's.pkb.id' Server: 1.1.1.1 Address: 1.1.1.1#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