_dmarc.furfling.com has no CNAME records.
Question and response
Question
dig _dmarc.furfling.com. NS
Answer
The response has no answer records.
Authority
furfling.com. 3353 SOA ns1.way3.com. dnsadmin.way3.com. 2025091633 3600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0