Subdomain Finder — Certificate Transparency (crt.sh)

Discover subdomains of any domain from public Certificate Transparency logs (crt.sh). Attack-surface mapping and recon with first/last-seen dates. No key, no proxy.

Publisher description, verbatim

Last 7 dayson this actor

No changes seen in the last 7 days.

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Key figures30 readings

Price / 1k$20.00per 1,000 domain-scanned

Users / 30d1↑ 1 over 30 readings

Users, all time4↑ 3 over 30 readings

Runs / 30d32↑ 2 over 30 readings

Runs / user / mo32.0runs per monthly user

Standing

#2of 7

on crt.sh, by users in the last 30 days among actors classified to this platform.

Recorded changes

No price, README, schema or grade changes in the last 30 days · followers get the next one by email.

History

30 readings since 2026-08-27

Users / 30d30 readings

Users, all time30 readings

Runs / 30d30 readings

Standing30 readings

Alternatives on crt.sh

The actors either side of #2 of 7, ranked by users in the last 30 days. Same platform, adjacent adoption — the comparable set.

all 7 on crt.sh →

Sort

#	Actor	Grade	Price / 1k	Users /30d	Success	Rating	Age	Fresh
1	crt.sh Certificate Transparency Scraperparseforge	—	EVT$4.00 /1k result-item	623 total	—	—	4m	fresh
2	Subdomain Finder — Certificate Transparency (crt.sh)bgfc97	—	EVT$20.00 /1k domain-scanned	14 total	—	—	2m	aging	This
3	Certificate Transparency Subdomain Scraperdevilscrapes	—	EVT$6.00 /1k certificate-scrape	12 total	—	—	20d	fresh
4	crt.sh Certificate Monitor - New TLS Certstechnicaldost	—	RES$2.50 /1k	12 total	—	—	19d	fresh
5	SSL Certificate Transparency Scraper (crt.sh)chrisp1211	—	EVT$1.00 /1k record	02 total	—	—	2m	aging
6	Certificate Transparency Monitor — AI Agent Recon APIlogiover	—	RES$5.00 /1k	01 total	—	—	3m	fresh
7	Subdomain Finder - Discover Subdomains via CT Logslogiover	—	RES$5.00 /1k	010 total	—	—	3m	fresh

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Numbers on this page are measured only by an independent census of the Apify Store — not self-reported. Not indexed: too little has happened to this actor for us to have anything worth saying yet.