Skip to main content
dkim PROTOCOLHost: Namecheap BasicDNSStandard: RFC 6376

How to Configure DomainKeys Identified Mail (DKIM) on Namecheap BasicDNS

Cryptographically signs outbound emails using public/private key pairs to prove message integrity and authenticate sender domain. Follow this verified implementation guide to deploy standard compliant DKIM DNS records in Namecheap BasicDNS.

Default DKIM Record Syntax

// Authoritative RFC Example
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQ...

Configuration Steps in Namecheap BasicDNS

  1. 1Sign in to Namecheap and go to "Domain List".
  2. 2Click "Manage" next to your target domain.
  3. 3Go to the "Advanced DNS" tab.
  4. 4Find the "Host Records" table and locate the row for the subdomain.
  5. 5Click the red trash icon on the right side to delete it.

Verification Checklist (RFC 6376)

Query the DNS selector TXT/CNAME record at <selector>._domainkey.yourdomain.com.
Validate key length (minimum 2048-bit RSA recommended, 1024-bit deprecated).
Confirm public key matching against outbound SMTP signature headers.
Ensure CNAME delegation targets an active, valid ESP key repository.
Live Validation Engine

Validate Your Namecheap BasicDNS DKIM Record

Verify propagation, check syntax formatting, and audit recursive lookups in 60 seconds with SubDomainWatch.

Run Free DNS Validator