_spfmo.mediaocean.com has no CNAME records.
Question and response
Question
dig _spfmo.mediaocean.com. NS
Answer
The response has no answer records.
Authority
mediaocean.com. 1513 SOA dns01.donovandata.com. domainadmin.mediaocean.com. 2026022401 28800 3600 1209600 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0