mx1.fyfeweb.uk.net has no NS records.
NS records for this zone are defined at fyfeweb.uk.net.
NS records for this zone are defined at fyfeweb.uk.net.
Question and response
Question
dig mx1.fyfeweb.uk.net. NS
Answer
The response has no answer records.
Authority
fyfeweb.uk.net. 3600 SOA dns01.edge.fyfeweb.uk.net. noc.fyfeweb.com. 1614713674 3600 600 3600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0