shell:$ nslookup -timeout=2 -retry=1 'jimapinternal.imap.mail.g03.yahoodns.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 67.195.176.151
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 69.147.112.172