DKIM Selector Lookup & Public Key Decoder
Discover and verify DKIM _domainkey TXT records, decode base64 RSA/Ed25519 public keys, and audit cryptographic key bit strength (1024-bit vs 2048-bit). 100% free, instant execution, dark mode supported, and zero registration required on TempoMailUSA.
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Overview & Usage
DKIM Selector Lookup & Public Key Decoder is a free online tool designed for dkim selector lookup public key bits. Discover and verify DKIM _domainkey TXT records, decode base64 RSA/Ed25519 public keys, and audit cryptographic key bit strength (1024-bit vs 2048-bit). It runs quickly and privately in your browser with instant copy and export options.
This tool runs with complete privacy in your browser. All inputs, calculations, and DNS verifications follow current web standards.
Technical Specifications
| Tool Name | DKIM Selector Lookup & Public Key Decoder |
|---|---|
| Category | Email & SMTP Forensics |
| Processing | Live Network Lookup |
| Privacy | Private — No inputs are saved or tracked |
| Output Formats | Clipboard Copy, Text, and JSON |
How to Use DKIM Selector Lookup & Public Key Decoder
Enter your domain, IP address, text, or code into the input field above, or click one of the quick sample presets.
Click the button to query the network in real time and retrieve up-to-date DNS and protocol records.
Inspect the generated code, formatted results, and diagnostic details in the results panel.
Click the Copy button to copy the output directly to your clipboard, or download it to your computer.