DNS • Email Security RFC 7208 • RFC 7489 • DMARC Policy

DNS Record & SPF / DMARC Generator

Construct hardened DNS records for domain email deliverability and authentication. Generate SPF TXT records, DMARC enforcement policies, and CAA security records.

Domain Name

Record Type:

Include Domain MX Servers (+mx) Include Domain A Record (+a) Include Google Workspace (include:_spf.google.com) Include Microsoft 365 (include:spf.protection.outlook.com)

Strictness Policy:

Generated DNS TXT Record

How to Deploy

Paste this value into your DNS provider (Cloudflare, Route 53, Namecheap, Bind9) as a TXT record under the appropriate hostname.