CheckTLS
Tests whether an email server supports TLS encryption and valid certificates.
Artifact by CheckTLS
IndexedLicense unknownSecurity & privacyNo sign-up
Use it
Opens checktls.com in a new tab. Nothing to install.
- You provide
- Email address or mail server
- You get
- TLS compatibility report
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Hosted web tool
- Source
- Source code not public
- Link check
- Answered on Nov 1, 2026
About
CheckTLS is a hosted web tool in the security privacy category (email tls test). It opens in your browser, so there is nothing to install. You provide email address or mail server and get TLS compatibility report. It needs no account. It is a plain tool: no AI model is involved.
Category: Security & privacy · email tls test
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Details
- Auth
- No auth
- License
- License unknown
- Website
- www.checktls.com/
- First seen
- Oct 31, 2026
- Last checked
- Nov 1, 2026
- Source
- artifact-seed
Cite this page
CheckTLS: free online tool. Agent Mart. https://agentmart.dev/artifacts/checktls (last updated 2026-11-01)