HTTPS 证书检查工具 Certchk

Certchk 是一款快速的 HTTPS 证书检查工具。

获取安装

$ go get github.com/rapidloop/certchk

使用

$ go get github.com/rapidloop/certchk

$ certchk
Usage: certchk [-f file] servername ...
  -f file
        read server names from file

$ certchk mail.google.com facebook.com
         Server | Certificate status
----------------+----------------------------------------------------------------
mail.google.com | valid, expires on 2016-05-31 (2 months from now)
   facebook.com | valid, expires on 2016-12-30 (9 months from now)

$ cat /tmp/names
# this is a comment
www.netlanders.net
www.facebook.com
ttybuy.com

$ certchk -f /tmp/names mail.google.com
            Server | Certificate status
-------------------+-------------------------------------------------------------
www.netlanders.net | x509: certificate signed by unknown authority
  www.facebook.com | valid, expires on 2016-12-30 (9 months from now)
        ttybuy.com | x509: certificate is valid for SV100, not ttybuy.com
   mail.google.com | valid, expires on 2016-05-31 (2 months from now)