DMARC

DMARC DNS Generator

Local processing · no uploads

Generate DMARC DNS TXT records to configure email authentication policies.

Generate Domain-based Message Authentication, Reporting, and Conformance (DMARC) DNS TXT records.

DomainPolicy (how to handle mail failing SPF/DKIM)Subdomain policyPercentage (of mail subject to policy, 0-100)Aggregate report address (rua)

Comma-separated mailboxes to receive aggregate reports

Failure report address (ruf)

Comma-separated mailboxes to receive failure reports

SPF alignment modeDKIM alignment modeReport interval (seconds)

Default 86400 (1 day), minimum 3600 (1 hour)

_dmarc. IN TXT "v=DMARC1; p=none; sp=none; aspf=r; adkim=r; ri=86400"

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