shell:$ nslookup -timeout=2 -retry=1 'mail.b-io.co'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	mail.b-io.co
Address: 142.93.226.250
Name:	mail.b-io.co
Address: 65.109.162.19