DKIM lookup
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Honest note: This performs a public DNS TXT query for
selector._domainkey.domain via our server. It is not an offline/private file tool.Fetch DKIM public keys by selector
DKIM publishes a public key at selector._domainkey.yourdomain. Common selectors include google, default, and Microsoft’s selector1/selector2. Use this when configuring or verifying mail for domains you administer.
Frequently asked questions
Which selector should I use?
Check your ESP docs (Google Workspace often uses google; Microsoft often selector1). Use Try common selectors to probe.
Is the private key shown?
No — only the public TXT record.
Does this validate signatures on email?
No — it only looks up the published DNS key.