shell:$ nslookup -timeout=2 -retry=1 '12a001a90a8c45927f7710a6ee02e8e6.v.smtcdns.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: 12a001a90a8c45927f7710a6ee02e8e6.v.smtcdns.net Address: 39.173.65.101