DKIM Record Checker
Verify DKIM DNS records. Domain + selector → TXT lookup and parse.
Queries selector._domainkey.domain
How to use
- Enter a domain, URL, or value relevant to DKIM Record Checker.
- Run the check and review the output carefully.
- Apply recommended fixes, then run the check again to verify.
Common use cases
- Pre-deployment validation for DKIM Record Checker.
- Incident triage when security checks fail in production.
- Periodic security review as part of technical SEO and hardening.
Example inputs
example.com with selector defaultgmail.com with selector googleCommon issues and fixes
No DKIM record found
DKIM selector._domainkey.domain TXT record is missing. Publish DKIM key via your ESP or DNS.
Wrong selector
Each DKIM key has a selector. Use the selector from your email provider (e.g. google, default).
Invalid public key
p= value must be valid base64 public key. Regenerate if corrupted.
Recommended remediation
Get DKIM DNS record from your email provider. Add TXT at selector._domainkey.domain. Ensure SPF and DMARC align for deliverability.
FAQ
Is DKIM Record Checker free to use?
Yes. This tool is free and can be used without account registration.
Do you store submitted values?
Only the minimum processing needed for the check. For client-side tools, data stays in your browser.
How should I use these results?
Use the output as a diagnostic baseline, apply fixes in your stack, then re-run the check to confirm remediation.
Related security tools
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, NS, CNAME) for any domain using public DNS API.
SPF Record Checker
Fetch and parse SPF (Sender Policy Framework) records for a domain to validate email security.
DMARC Record Checker
Verify DMARC DNS records. Policy, RUA, RUF, alignment.
MX Record Lookup
Check mail server (MX) records. Priority order.