DMARC record generator

Build a DMARC TXT record for your domain. Start with p=none and aggregate reports, then tighten to quarantine/reject.

Domain

Policy (p)

Subdomain policy (sp)

Percentage (pct)

Report interval (ri, seconds)

Aggregate reports (rua)

Failure reports (ruf, optional)

DKIM alignment (adkim)

SPF alignment (aspf)

Failure options (fo)

DNS host

_dmarc.example.com

TXT record value

v=DMARC1; p=none; rua=mailto:dmarc@example.com; adkim=r; aspf=r