_dmarc.questinspect.com has no CNAME records.
Question and response
Question
dig _dmarc.questinspect.com. NS
Answer
The response has no answer records.
Authority
questinspect.com. 3757 SOA ns1.multacom.com. support.multacom.com. 2026020505 10800 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0