Octopus mini is a super simple website certificates monitoring tool we made for developers.
Certificates Information
Octopus mini uses OpenSSL to get the certificate information:
Subject Name
- Country & Region
- State or Province
- Locality
- Organization
- Common Name
Issuer Name
- Country or Region
- Organization
- Common Name
- Serial Number
- Version
- Algorithm
- Not Before Date
- Not After Date
Connection Information
Octopus mini uses cURL and nghttp2 to get the connection information:
HTTP Information
- Host
- Redirections
- HTTP Version
- HTTP Status Code
- Download Speed & Size
Timing
- Name Lookup Time
- TCP Connect Time
- SSL Handshake Time
- First Byte Time
- Total Download Time
Responser Header
- Status
- Accept-Ranges
- HTTP Header Fields
SSL Monitoring
Octopus mini can monitor the expiry date of the website's certificate in background mode daily if you turn on the alert in settings. You will get a local notification if a certificate was going to expire soon (less than 7 days) or has already expired.