MXToolbox DKIM Lookup vs DKIM Validator: catalog facts
 MXToolbox DKIM Lookup |  DKIM Validator |
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Free The DKIM lookup is free to use on the website. |
Free Free to use. |
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Web |
Web |
- Accepts two input formats for domain and selector
- Explains how DKIM record lookups work on the page
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- DKIM, SPF and SpamAssassin results in one place
- Tests real mail flow rather than just DNS records
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- You need to know the selector in advance
- Tests the published key only, not a signed message
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- Test messages are stored on a third-party server
- Only checks messages you send to it
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Web application |
Web application |
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Closed source |
Closed source |
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License not stated |
License not stated |
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No account needed |
No account needed |
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Needs internet |
Needs internet |
Checked September 23, 2026 | Checked September 24, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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