shell:$ nslookup -timeout=2 -retry=1 'www.recaptcha.net' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: www.recaptcha.net Address: 172.217.5.3 Name: www.recaptcha.net Address: 2607:f8b0:4009:81a::2003