shell:$ nslookup -timeout=2 -retry=1 'www.agh.edu.pl' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: www.agh.edu.pl Address: 149.156.96.150 Name: www.agh.edu.pl Address: 2001:6d8:10:118c::6096