DMARC Check extension

Security at a glance

Low riskSafety score 100/1000 findings

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: dmarc-check

Permissions (1)

  • Access current tab

Frequently asked questions

Is DMARC Check safe to use?

Our latest automated scan rates the Firefox listing of DMARC Check at 100/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does DMARC Check require?

DMARC Check requests 1 permission. The most significant: Access current tab. See the full breakdown in the security report.

Who develops DMARC Check?

DMARC Check is published by DmarcDkim.com. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.