shell:$ nslookup -timeout=2 -retry=1 'jimapinternal.imap.mail.g03.yahoodns.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 98.137.156.39
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 69.147.112.172
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 67.195.176.151
Name:	jimapinternal.imap.mail.g03.yahoodns.net
Address: 98.136.96.39