DMarcus — dmarc.mx Email Security Checker
Check any domain's email security (DMARC, SPF, DKIM, BIMI, MX, MTA-STS) client-side via DNS-over-HTTPS. No server, no tracking.
As of June 2026, DMarcus — dmarc.mx Email Security Checker has 1 users in the Developer Tools category.
Usersno change0%
1
1
Ratingno change0%
—
— reviews
Reviewsno change0%
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Version
0.1.0
Manifest V3
History
2 snapshotsTracking since May 20, 2026.
Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| May 20, 2026 | — | — | — | 0.1.0 |
| May 26, 2026 | — | — | — | 0.1.0 |
| Now | 1 | — | — | 0.1.0 |
Permissions & access
- Permissions
- storageactiveTabtabscontextMenus
- Host access
- https://cloudflare-dns.com/*, https://dns.google/*, https://*/.well-known/mta-sts.txt, https://*/.well-known/security.txt, https://*/security.txt
Screenshots
About
Quick, open source email security analyzer.
Technical
- Version
- 0.1.0
- Manifest
- V3
- Size
- 69.1KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- odoepcjbdoomjpkkifcfampdiohmkicc
- Developer ID
- u3e162f23d5ab36d0c0b5becb0af914ce
- Developer Email
- [email protected]
- Created
- May 19, 2026
- Last Updated (Store)
- May 19, 2026
- Last Scraped
- Jun 8, 2026
- Website
- dmarc.mx
- Support URL
- https://github.com/schmug/DMarcus
- Privacy Policy
- https://dmarc.mx/legal/privacy
Data sourced from the Chrome Web Store · last verified Jun 8, 2026.