Find certificate history for any domain

Find all DNS records, WHOIS data, SSL/TLS certificate history, subdomains and more

Felix Wotschofsky, creator of Domain Digger

Hey there, I am Felix, the creator of Domain Digger. 👋

You can follow me on X and check out my other projects.

Photo of Anouar Springer

Anouar Springer

Growth @ Superchat

Domain Digger has been a great help in improving our email deliverability. It's made checking our domain settings straightforward, providing detailed information that was easy to understand and use. I'd recommend it to anyone looking to optimize their domain performance.

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Samuel Boguslawski

Lecturer @ CODE University

As a software engineering lecturer, I use Domain Digger in my classes to help students understand how the internet works. The different interactive elements and maps help visualize various concepts and provide a fun way for students to learn about DNS interactively.

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Miguel Ángel Durán

Content Creator

This resource is GOLD for Programmers and DevOps.
A tool that gives you all the info about a domain.

DNS, WHOIS, IPs, Subdomains, certificates and more!

About Certificate Logs

Certificate Transparency (CT) logs are public records that track the issuance of SSL/TLS certificates, providing a transparent and verifiable system for monitoring certificates issued by Certificate Authorities (CAs). These logs are append-only and publicly accessible, allowing anyone to audit and review certificates issued for domains. By referencing CT logs, administrators can verify that no unauthorized or misissued certificates have been generated for their domains, ensuring the integrity of their SSL/TLS implementations.

From a technical perspective, Certificate Transparency logs are crucial for improving security by detecting certificate misissuance and potential attacks such as man-in-the-middle. By integrating CT log monitoring, domain owners can receive real-time alerts when a new certificate is issued for their domain, allowing them to respond quickly to any anomalies. CT logs also enhance trust across the web by providing an open system that anyone can query to audit certificate issuance. This mechanism is critical for maintaining a secure web environment and ensuring SSL/TLS certificates are properly issued and managed.