Question and response
Question
dig clean-mailbox.com. MX
Answer
clean-mailbox.com. 300 MX 1 mx.clean-mailbox.com.
Authority
The response has no authority records.
Additional
mx.clean-mailbox.com. 300 A 163.172.164.47
mx.clean-mailbox.com. 300 A 213.32.76.196
mx.clean-mailbox.com. 300 A 45.63.114.93
mx.clean-mailbox.com. 300 A 51.178.81.41
mx.clean-mailbox.com. 300 AAAA 2001:19f0:6801:10c:5400:ff:fe58:b68
mx.clean-mailbox.com. 300 AAAA 2001:41d0:302:1000:0:0:0:500
mx.clean-mailbox.com. 300 AAAA 2001:41d0:404:200:0:0:0:4d8f
mx.clean-mailbox.com. 300 AAAA 2001:bc8:710:a30:dc00:ff:fe8a:301
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0