DNS & Email Tools
DKIM Record Lookup
Resolve DKIM selectors and verify public keys.
Updated 2025-12-01
Email Security
DKIM Record Lookup
Resolve DKIM selectors and verify public keys. Analyze key type, strength, and configuration.
Will query: default._domainkey.example.com
Common Selectors:
About DKIM Records
DKIM (DomainKeys Identified Mail) allows senders to sign emails cryptographically, enabling receivers to verify the email hasn't been modified.
- Selector – Identifier used to locate the public key
- RSA 2048-bit – Recommended minimum key size
- Ed25519 – Modern, faster alternative to RSA
- Empty p= value – Indicates key has been revoked