// REFERENCE
DMARC record (in TXT)
Type number: 16*
Published at _dmarc as a TXT, it says what to do with mail that fails SPF/DKIM (none, quarantine, reject) and where to send reports. It's the final anti-spoofing step.
Related tools
Work with this in:
Related
mx
MX record spf
SPF record (in TXT) dkim
DKIM record (in TXT) openpgpkey
OPENPGPKEY record smimea
SMIMEA record
MX record spf
SPF record (in TXT) dkim
DKIM record (in TXT) openpgpkey
OPENPGPKEY record smimea
SMIMEA record
Types per the IANA DNS parameters registry and their RFCs. Educational content.