mxin10.virginmedia.com has no MX records.
Question and response
Question
dig mxin10.virginmedia.com. MX
Answer
The response has no answer records.
Authority
virginmedia.com. 1800 SOA ns1.virginmedia.net. hostmaster.virginmedia.net. 2025091280 86400 7200 2419200 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0