shell:$ nslookup -timeout=2 -retry=1 'opensignal.fb.me.t.me' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: opensignal.fb.me.t.me Address: 149.154.167.99 Name: opensignal.fb.me.t.me Address: 2001:67c:4e8:f004::9