The implementation of DMARC starts with the publishing of a valid DMARC record. The dmarcian DMARC Record Checker is a diagnostic tool that allows you to view the DMARC record of any given domain and test if the TXT record is valid and published correctly.
Why test your DMARC record?
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Tag
Translation
Warnings / Errors
Your DMARC record "p" tag (p stands for policy) is set to "none", which does not prevent abuse on your domain. Learn more about the different p tags and how they instruct mailbox receivers to treat unauthorized use of your domain in the legend below.
Click here to read our "Getting Started with DMARC" guide.
Discovered Tags
declared explicitly in DMARC record
Value
Default
No DMARC record published
Add DMARC to disallow unauthorized use of your email domain to protect people from spam, fraud and phishing.
Hooray! Your DMARC record is valid.
There is something wrong with your DMARC record.
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The organizational domain of this sub-domain is
Receivers will apply POLICY_DOMAIN's DMARC record to DOMAIN's email (because DOMAIN does not publish an explicit policy).
A policy of "PARENT_POLICY" would be applied to unauthorized DOMAIN email.
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| TAG | DEFAULT | TRANSLATION |
|---|---|---|
| v | DMARC1 | The DMARC version should always be “DMARC1”. Note: A wrong, or absent DMARC version tag causes the entire record to be ignored. |
| p | none | Policy applied to emails that fails the DMARC check. Authorized values: “none”, “quarantine”, or “reject”. “none” is used to collect feedback and gain visibility into email streams without impacting existing flows. “quarantine” allows Mail Receivers to treat email that fails the DMARC check as suspicious. Most of the time, they will end up in your SPAM folder. “reject” outright rejects all emails that fail the DMARC check. |
| adkim | r | Specifies “Alignment Mode” for DKIM signatures. Authorized values: “r”, “s”. “r”, or “Relaxed Mode”, allows Authenticated DKIM d= domains that share a common Organizational Domain with an email’s “header-From:” domain to pass the DMARC check. “s”, or “Strict Mode” requires exact matching between the DKIM d= domain and an email’s “header-From:” domain. |
| aspf | r | Specifies “Alignment Mode” for SPF. Authorized values: “r”, “s”. “r”, or “Relaxed Mode” allows SPF Authenticated domains that share a common Organizational Domain with an email’s “header-From:” domain to pass the DMARC check. “s”, or “Strict Mode” requires exact matching between the SPF domain and an email’s “header-From:” domain. |
| sp | p= value | Policy to apply to email from a sub-domain of this DMARC record that fails the DMARC check. Authorized values: “none”, “quarantine”, or “reject”. This tag allows domain owners to explicitly publish a “wildcard” sub-domain policy. |
| fo | 0 | Forensic reporting options. Authorized values: “0”, “1”, “d”, or “s”. “0” generates reports if all underlying authentication mechanisms fail to produce a DMARC pass result, “1” generates reports if any mechanisms fail, “d” generates reports if DKIM signature failed to verify, “s” generates reports if SPF failed. |
| ruf | none | The list of URIs for receivers to send Forensic reports to. Note: This is not a list of email addresses, as DMARC requires a list of URIs of the form “mailto:address@example.org”. |
| rua | none | The list of URIs for receivers to send XML feedback to. Note: This is not a list of email addresses, as DMARC requires a list of URIs of the form “mailto:address@example.org”. |
| rf | afrf | The reporting format for individual Forensic reports. Authorized values: “afrf”, “iodef”. |
| pct | 100 | The percentage tag tells receivers to only apply policy against email that fails the DMARC check x amount of the time. For example, “pct=25” tells receivers to apply the “p=” policy 25% of the time against email that fails the DMARC check. Note: The policy must be “quarantine” or “reject” for the percentage tag to be applied. |
| ri | 86400 | The reporting interval for how often you’d like to receive aggregate XML reports. You’ll most likely receive reports once a day regardless of this setting. |
