ns3.livedns.co.uk has no MX records.
Question and response
Question
dig ns3.livedns.co.uk. MX
Answer
The response has no answer records.
Authority
livedns.co.uk. 3600 SOA ns1.livedns.co.uk. administrator.livedns.co.uk. 1571839150 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0