An hourly updated list of subdomains gathered from certificate transparency logs
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README.md
top-100.txt Wed Nov 14 12:03:20 CET 2018 Nov 14, 2018
top-1000.txt
top-10000.txt
top-100000.txt

README.md

Certificate Transparency Subdomains

An hourly updated list of subdomains gathered from certificate transparency logs.

How it works

We use certstream to subscribe to the certificate transparency log stream. When an update is broadcasted, the domain is parsed and all subdomains inserted into our database.

A second script exports the top 100/1000/10,000/100,000 observered subdomains and pushes them into this repository on an hourly basis.

More Information