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dkim PROTOCOLHost: GoDaddy DNSStandard: RFC 6376

How to Configure DomainKeys Identified Mail (DKIM) on GoDaddy DNS

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 GoDaddy DNS.

Default DKIM Record Syntax

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

Configuration Steps in GoDaddy DNS

  1. 1Log in to your GoDaddy Domain Portfolio.
  2. 2Select your domain to access the Domain Settings page.
  3. 3Scroll to "Additional Settings" and select "Manage DNS".
  4. 4Find the CNAME record for your subdomain.
  5. 5Click the pencil icon, then the trash can icon to delete.

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.
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