Email records

How do I publish DMARC, SPF and DKIM at my DNS host?

Pick your DNS host and your mail service below. Each page gives the exact record for Microsoft 365 or Google Workspace and the steps in your DNS host's own screens, with a link to the host's help page and the date we read it.

Last read , from the sources at the foot of this page.

Check my firm
01

How do I publish DMARC at my DNS host?

DMARC tells mail servers what to do with mail forged in your name.

02

How do I publish SPF at my DNS host?

SPF lists the services allowed to send mail as your domain.

03

How do I publish DKIM at my DNS host?

DKIM signs each message so a forged or changed one fails.

Sources

Where does this come from?

05 · Check my firm

See what is open before anyone else does.

We read from outside, find each way in first, and show it with a check anyone can re-run. No access, nothing tested, no obligation.

What we readPublic sources only
Who sees itYou alone
Delivery72 hours from confirmation
Meeting firstNone
Reading requestPrivate
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A person reads every request. Your outside reading comes by email within 72 hours from [email protected]. Privacy