Question and response
Question
dig calendar-server.bounces.google.com. MX
Answer
calendar-server.bounces.google.com. 86400 MX 10 alt1.gmr-smtp-in.l.google.com.
calendar-server.bounces.google.com. 86400 MX 5 gmr-smtp-in.l.google.com.
calendar-server.bounces.google.com. 86400 MX 10 alt2.gmr-smtp-in.l.google.com.
Authority
The response has no authority records.
Additional
alt1.gmr-smtp-in.l.google.com. 300 A 192.178.213.14
alt1.gmr-smtp-in.l.google.com. 300 AAAA 2a00:1450:4013:c1e:0:0:0:e
gmr-smtp-in.l.google.com. 300 A 74.125.206.14
gmr-smtp-in.l.google.com. 300 AAAA 2a00:1450:400c:c04:0:0:0:e
alt2.gmr-smtp-in.l.google.com. 300 A 192.178.211.14
alt2.gmr-smtp-in.l.google.com. 300 AAAA 2404:6800:4000:1025:0:0:0:e
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0