shell:$ nslookup -timeout=2 -retry=1 '1819388581.rsc.cdn77.org' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: 1819388581.rsc.cdn77.org Address: 138.199.57.101 Name: 1819388581.rsc.cdn77.org Address: 2a02:6ea0:de00::4