- / DMARC record checker
DMARC record checker
Look up and validate DMARC records for any domain. View parsed tags, policy enforcement status, alignment settings, and reporting configuration to verify your email authentication setup.
What is DMARC?
DMARC (Domain-based Message Authentication, Reporting, and Conformance) tells receiving mail servers what to do when emails fail SPF or DKIM checks. It acts as a policy declaration that ties together your existing authentication mechanisms and provides reporting on authentication failures.
DMARC records are published as TXT records at _dmarc.yourdomain.com. The record specifies a policy (none, quarantine, or reject) and optionally reporting addresses for aggregate and forensic reports.
DMARC tag reference
| Tag | Description |
|---|---|
| v | Version (must be "DMARC1") |
| p | Policy: none, quarantine, or reject |
| sp | Subdomain policy (inherits from p) |
| rua | Aggregate report URI (mailto: address) |
| ruf | Forensic report URI |
| pct | Percentage of messages to apply policy (1–100) |
| adkim | DKIM alignment (r = relaxed, s = strict) |
| aspf | SPF alignment (r = relaxed, s = strict) |
How to use this tool
- Enter a domain name (e.g., "example.com").
- Click "Check" to look up the DMARC record.
- Review the parsed tags, validation tests, and raw TXT record.
_dmarc.example.com
v=DMARC1; p=quarantine; rua=mailto:[email protected]| Tag | Value | Name | Description |
|---|---|---|---|
| v | DMARC1 | Version | Identifies the record as DMARC. Must be the first tag. |
| p | quarantine | Policy | Policy to apply to failing email. Valid values: "none", "quarantine", or "reject". |
| adkim | r | DKIM alignment | DKIM alignment mode. "r" = relaxed, "s" = strict. |
| aspf | r | SPF alignment | SPF alignment mode. "r" = relaxed, "s" = strict. |
| Test | Result | |
|---|---|---|
| DMARC policy enabled | Policy set to "quarantine" | |
| DMARC record published | DMARC record found | |
| DMARC syntax check | The record is valid | |
| DMARC multiple records | Single DMARC record found | |
| Aggregate reporting | Aggregate reports sent to mailto:[email protected] |
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