dmarc PROTOCOLHost: Namecheap BasicDNSStandard: RFC 7489
How to Configure Domain-based Message Authentication, Reporting, and Conformance (DMARC) on Namecheap BasicDNS
Enforces receiver policy (none, quarantine, reject) when SPF and/or DKIM alignment fails, and generates forensic aggregate reports. Follow this verified implementation guide to deploy standard compliant DMARC DNS records in Namecheap BasicDNS.
Default DMARC Record Syntax
// Authoritative RFC Example
v=DMARC1; p=reject; rua=mailto:dmarc-reports@yourcompany.com; pct=100; aspf=r; adkim=rConfiguration Steps in Namecheap BasicDNS
- 1Sign in to Namecheap and go to "Domain List".
- 2Click "Manage" next to your target domain.
- 3Go to the "Advanced DNS" tab.
- 4Find the "Host Records" table and locate the row for the subdomain.
- 5Click the red trash icon on the right side to delete it.
Verification Checklist (RFC 7489)
Query DNS TXT record at _dmarc.yourcompany.com.
Ensure valid "p=" policy exists (transition from p=none to p=quarantine to p=reject).
Verify "rua=" tag points to an authenticated inbox or monitoring service.
Check alignment modes (aspf and adkim default to relaxed "r").
Live Validation Engine
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