Dev tools · alternatives · 2026
24 alternatives to Watch/filter new domains from certificate transparency logs
This 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....
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier. Watch/filter new domains from certificate transparency logs launched in 2024; newer entries below may have overtaken it.
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2016 · sslmate.com · its alternatives →
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hey 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…
Jul 2026 · search.cerast-intelligence.com · its alternatives →
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Notify.domainsfree tier, from $2/mo▲322Know the moment a domain opportunity appears
Aug 2026 · notify.domains · its alternatives →
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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…
2024 · kit.domains · its alternatives →
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An hourly updated list of subdomains gathered from certificate transparency logs - internetwache/CT_subdomains
2018 · github.com · its alternatives →
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Monitor domain settings, SSL certificates, expiration dates
2022 · observe.domains · its alternatives →
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Momento▲140A powerful platform to help you monitor your domains
2020 · domexus.com · its alternatives →
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- 11CS
2017 · certstream.calidog.io · its alternatives →
- 12GS
Yesterday the top upvoted comment for "Why We Desperately Need a New (and Better) Google" http://news.ycombinator.com/item?id=2057772 was adding personal domain blacklists. I offered to build this if there was enough interest so here's a minimum viable product for Chrome (Firefox soon to follow): https://chrome.google.com/extensions/detail/jiicbcimbjppjbckmoknagndlhjbeohb. Your feedback is welcome!
2011 · its alternatives →
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DMARC Digests▲101Protect your brand from email scammers.
2020 · dmarcdigests.com · its alternatives →
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Where we're at with Google and Mozilla and HTTPS
2016 · scripting.com · its alternatives →
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Free tools for SSL/TLS certificate transparency search, configuration analysis, and security monitoring.
Jan 2026 · certradar.net · its alternatives →
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2017 · keychest.net · its alternatives →
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DomainWatch – Get notified when a domain becomes availablefree tier, from $5/mo▲25DomainWatch DomainWatch We keep an eye on expiration dates, nameservers, registrar in charge and current status of the domain name. We keep an eye on expiration dates, nameservers, registrar in charge and current status of the domain name. sign up 01 The drop catch alternative Have you ever paid for
2018 · domainwatch.me · its alternatives →
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- 20CL
I recently launched https://www.merklemap.com/, a tool designed to leverage Certificate Transparency logs for enhanced domain monitoring. Example query https://www.merklemap.com/search?query=example&page=1 Key features of MerkleMap: - Near real-time ingestion of CT logs - Full-string subdomain search capability - Support for an arbitrary number of wildcards in searches While the current functionality focuses on subdomain discovery, I'm planning to expand MerkleMap into a comprehensive CT log monitor over time. I'd love to hear your feedback.
2024 · merklemap.com · its alternatives →
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DNS proxy for filtering out unwanted domains. Contribute to apankrat/dnswhisperer development by creating an account on GitHub.
2016 · github.com · its alternatives →
- 22DI
2015 · domainwatcher.io · its alternatives →
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Detect domain security issues before they hurt your business
May 2026 · domainscan.tools · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →