shell:$ nslookup -timeout=2 -retry=1 'irb.cd'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	irb.cd
Address: 185.230.63.186
Name:	irb.cd
Address: 185.230.63.171
Name:	irb.cd
Address: 185.230.63.107