Information extracted from SSL/TLS certificates

TLS/SSL Certificate Monitoring

Track and monitor your TLS/SSL certificates issuance, usage, configuration for security and compliance purposes.

Start tracking Learn why

Anyone can be affected

At least 531 other certificates were issued due to an attacker gaining access to DigiNotar's systems

In unexpected ways

A Finnish man got a certificate for Microsoft's Live in Finland by registering an email address hostmaster@live.fi.

Everything you need

All-in-one monitoring platform

Keep track of your certificates, DNS records, and more.

Start monitoring today

Certificate Transparency Logs: Receive alerts when a new certificate for your domain is issued, allowing rapid response to unauthorized issuance.
DNS CAA records: Corporis asperiores ea nulla temporibus asperiores non tempore assumenda aut.
Certificates Expiry Check: Track installed certificates and receive alerts before they expire, when update went wrong.
Cipher Algorithms: Ensure your server is not using strong cipher algorithms to protect against vulnerabilities.
Certificate Revocation Check: Ensure your server is not using revoked certificates.
Flexible Notifications: Email, Slack message, PagerDuty incident, custom webhook.

Robust distributed architecture

We aim for resilience.

That's why sometimes we might send notification about the same event twice.

We cater to businesses

zertwacht.com provides peace of mind for security specialists by automatically creating and escalating incidents in your management system whenever new certificates are issued, preventing unauthorized misrepresentation of your company.

: Domain management via the API.
: Team Communication Platform
: Incident Management System integration.

We care about enthusiasts

Homelab enthusiasts can relax knowing that their Caddy, Nginx Proxy Manager, or Traefik setups are automatically renewing certificates without issues, ensuring continuous and secure operations.

: One domain including subdomains
: Email notifications & NTFY
: Messengers: Telegram, Signal.