Question and response
Question
dig gmr-smtp-in.l.google.com. AAAA
Answer
gmr-smtp-in.l.google.com. 300 AAAA 2a00:1450:400c:c09:0:0:0:e
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0