Hourly updated list of subdomains from CT logs
An hourly updated list of subdomains gathered from certificate transparency logs - internetwache/CT_subdomains
Hourly updated list of subdomains from CT logs launched on January 4, 2018 with 10 votes, #1,061 of 3,021 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
This is a tool that provides an hourly updated list of subdomains extracted from Certificate Transparency logs. It monitors CT logs to identify newly discovered subdomains and maintains a regularly refreshed database. The tool is useful for security researchers, penetration testers, and anyone needing to track newly registered domains and subdomains for reconnaissance or monitoring purposes. It has been available since early 2018 and is hosted on GitHub.
written from the facts on this page · September 2026
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Certificate Transparency Log Monitor2016 · sslmate.com · ▲53
Osint tool that finds exposed files on domainsJul 2026 · search.cerast-intelligence.com · ▲58hey guys, wanted to show one of my side projects i just made public. the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed. it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search. would…
Kit.domains2024 · kit.domains · ▲198Hello Hacker News community, We are excited to announce the launch of KIT.DOMAINS, our new tool designed to simplify the management and monitoring of domains. KIT DOMAINS is a convenient and reliable solution for tracking the status of your domains and SSL certificates. With KIT DOMAINS, you will receive timely notifications about expirations and emerging issues, ensuring your sites remain operational and secure. Key features: - Expiration Tracking: Monitor the expiration dates of your domains to prevent accidental lapses. - SSL Certificate Monitoring: Keep your SSL certificates up-to-date…
Watch/filter new domains from certificate transparency logs2024 · firehose.lol · ▲7This can be used to find phishing domains or domains matching any pattern you want if you select "custom filter." You can also connect over WebSocket at /ws and use any programming language you want. There may be duplicates because some domains are published in multiple logs. I get data from all of the logs currently included with Chrome, a list of which is available here: https://github.com/google/certificate-transparency-community....
Subdomain Enumeration CLI2024 · github.com · ▲11Discover and enumerate all subdomains associated with a website, including those not publicly advertised. Use this tool to conduct thorough security assessments, validate your organization's digital footprint, or enhance your reconnaissance capabilities for penetration testing and bug bounty hunting
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