DMARC Records Check for

gov.uk

Instant checks for DMARC, SPF, and BIMI with clear, actionable guidance.

DMARC Check Passed: Properly Configured

DMARC record is valid and configured correctly.

_dmarc.gov.uk TXT Entry:

v=DMARC1;p=reject;sp=none;np=reject;adkim=s;aspf=s;fo=1;rua=mailto:[email protected]

Policy (p)

reject

DKIM Alignment (adkim)

Strict (s)

SPF Alignment (aspf)

Strict (s)

Understanding Alignment Modes

DKIM Alignment (adkim)

Strict mode: The DKIM signature's domain must exactly match the "From" header domain.

SPF Alignment (aspf)

Strict mode: The SPF "Return-Path" domain must exactly match the "From" header domain.

Note: When alignment parameters are not specified, DMARC defaults to relaxed mode for both DKIM and SPF alignment.

Reporting (RUA/RUF)

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You can add our monitoring system alongside your existing setup. DMARC supports multiple mailto: addresses, giving you additional visibility and backup reporting.

  • Automated DMARC report processing every 5 minutes
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BIMI Check (default selector)

BIMI record must start with 'v=BIMI1'.

Current BIMI Entry:

v=spf1 ?all

Logo URL

Missing logo URL (l=)

Verified Mark Certificate

No certificate URL provided (a=). Optional when using self-asserted logos.

SPF Record Check Results

SPF record is valid.

gov.uk TXT SPF Entry:

v=spf1 -all

Syntax Check

OK

DNS Lookup Count

0 / 10 max

Void Lookups

0 / 2 max

Default Policy

-all

Fail: Reject emails from unauthorized servers (recommended for production)

All Authorized IP Addresses

Grouped by DNS record source (includes and sub-includes)

Records checked about 11 hours ago.

Ready to refresh all DNS records (DMARC, SPF, BIMI)

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About This Checker

What we check

We analyze your domain's email authentication: DMARC policy and alignment, SPF record and includes, and BIMI logo/CV when present.

Why it matters

Healthy authentication improves delivery and blocks spoofing. Major inbox providers increasingly require DMARC and robust SPF/DKIM practices for senders.

Included features

  • DMARC syntax, policy, and reporting validation
  • SPF record evaluation and include analysis
  • DKIM/SPF alignment interpretation
  • BIMI record and VMC detection
  • Clear setup and remediation guidance

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