The template to monitor TLS/SSL certificate on the website by Zabbix agent 2 that works without any external scripts.
Zabbix agent 2 with the WebCertificate plugin requests certificate using the web.certificate.get key and returns JSON with certificate attributes.

You can discuss this template or leave feedback on our forum https://www.zabbix.com/forum/zabbix-suggestions-and-feedback/428309-discussion-thread-for-official-zabbix-template-tls-ssl-certificates-monitoring

Template tooling version used: 0.39