shell:$ nslookup -timeout=2 -retry=1 'whois.ripe.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: whois.ripe.net Address: 193.0.6.135 Name: whois.ripe.net Address: 2001:67c:2e8:22::c100:687