_dmarc.isware.co.uk has no NS records.
NS records for this zone are defined at isware.co.uk.
NS records for this zone are defined at isware.co.uk.
Question and response
Question
dig _dmarc.isware.co.uk. NS
Answer
The response has no answer records.
Authority
isware.co.uk. 3600 SOA ns00.cyberspaceman.co.uk. admin.cyberspaceman.co.uk. 2021092001 3600 900 2419200 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0