Certificate Transparency Scraper: Subdomain Discovery

Query certificate transparency logs via crt.sh to enumerate subdomains, issuers, validity windows and certificate history for any domain. Passive attack-surface discovery. no login, no proxy, no browser.

Publisher description, verbatim

Last 7 dayson this actor

No changes seen in the last 7 days.

The morning one happens, followers hear first.Follow this actor

Key figures30 readings

Price / 1k$1.50per 1,000 certificate-scrape

Users / 30d0→ 0 over 30 readings

Users, all time1→ 0 over 30 readings

Runs / 30d0not enough history for a trend

Runs / user / mo—runs per monthly user

Recorded changes

2026-09-30searchKeyword rank moveleft top-10 for “discovery login” (#7 → outside top 100)—on record

showing 1 of 1 in the last 30 days · followers get the next one by email

History

30 readings since 2026-09-25

Users / 30d30 readings

Users, all time30 readings

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Numbers on this page are measured only by an independent census of the Apify Store — not self-reported.