mx3-ng.orpheusnet.co.uk has no MX records.
Question and response
Question
dig mx3-ng.orpheusnet.co.uk. MX
Answer
The response has no answer records.
Authority
orpheusnet.co.uk. 600 SOA ns0-ng.orpheusnet.co.uk.orpheusnet.co.uk. support.orpheusinternet.co.uk. 2025120600 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0