genuinetools/certok

Command line tool to check the validity and expiration dates of SSL certificates.

certok

Command line tool to check the validity and expiration dates of SSL certificates.

Table of Contents

• Installation
  • Binaries
  • Via Go
• Usage

Installation

Binaries

For installation instructions from binaries please visit the Releases Page.

Via Go

$ go get github.com/genuinetools/certok

Usage

Pass a line deliminated file filled with hostnames to either stdin or the first argument of the command. For example:

$ certok ~/hostsfile
NAME                 SUBJECT            ISSUER                        ALGO           EXPIRES     SUNSET DATE
telize.j3ss.co:443   telize.j3ss.co     Let's Encrypt Authority X3    SHA256-RSA     77 days
r.j3ss.co:443        r.j3ss.co          Let's Encrypt Authority X3    SHA256-RSA     77 days
contained.af:443     contained.af       Let's Encrypt Authority X3    SHA256-RSA     77 days

$ certok -h
certok -  A tool to check the validity and expiration dates of SSL certificates.

Usage: certok <command>

Flags:

  -all     Show entire certificate chain, not just the first. (default: false)
  -d       enable debug logging (default: false)
  -days    Warn if the certificate will expire within this many days. (default: 0)
  -months  Warn if the certificate will expire within this many months. (default: 0)
  -years   Warn if the certificate will expire within this many years. (default: 0)

Commands:

  version  Show the version information.