Free tool
DMARC Record Generator
Tell receivers what to do with email that fails SPF or DKIM — and start getting reports.
Begin with monitor, then tighten once your reports look clean.
v=DMARC1; p=none; adkim=r; aspf=rAdd this as a TXT record at _dmarc.yourdomain.com.
Go beyond this tool. Manage DNS across every provider — in one dashboard.
Get started free →DMARC builds on SPF and DKIM. It sets a policy (monitor, quarantine or reject) for messages that fail authentication, and can send you reports about who is sending mail as your domain. It is the key record for stopping spoofing and phishing.
Start with p=none to monitor safely, then tighten to quarantine or reject once you are confident.
InfraNest
Full email security in one click
InfraNest applies SPF, DKIM and DMARC together with its email-security template — no manual record juggling, across all your domains.
- One-click SPF + DKIM + DMARC
- Diff preview before apply
- Live sync to your provider
- Works across all your domains