_dmarc.silentharlequinesque.com has no CNAME records.
Question and response
Question
dig _dmarc.silentharlequinesque.com. NS
Answer
The response has no answer records.
Authority
silentharlequinesque.com. 304 SOA ns1.silentharlequinesque.com. hostmaster.silentharlequinesque.com. 2026012101 3600 900 1209600 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0