shell:$ nslookup -timeout=2 -retry=1 'v77.tiktokcdn.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: v77.tiktokcdn.com canonical name = 1464091238.rsc.cdn77.org. Name: 1464091238.rsc.cdn77.org Address: 138.199.57.76