shell:$ nslookup -timeout=2 -retry=1 'yulnkec-in-f188.1e100.net' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: yulnkec-in-f188.1e100.net Address: 172.217.74.188 Name: yulnkec-in-f188.1e100.net Address: 2607:f8b0:4023:3001::bc