_dmarc.othd.net has no CNAME records.
Question and response
Question
dig _dmarc.othd.net. NS
Answer
The response has no answer records.
Authority
othd.net. 3262 SOA ns1.ornethd.net. noc.ornethd.net. 1750149391 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0