Subdomain Finder API — Certificate Logs & DNS, No Key

Find a domain's subdomains in public certificate-transparency logs (crt.sh and Cert Spotter), resolve each over DNS-over-HTTPS (A, AAAA, CNAME) and optionally check which answer on the web: status, title, server. Hostnames only. No API key, no login.

Publisher description, verbatim

Last 7 dayson this actor

No changes seen in the last 7 days.

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Key figures27 readings

Price / 1k$0.50per 1,000 subdomain

Users / 30d0↓ 1 over 27 readings

Users, all time1↓ 1 over 27 readings

Runs / 30d26↑ 25 over 26 readings

Runs / user / mo—runs per monthly user

Recorded changes

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

History

27 readings since 2026-10-08

Users / 30d27 readings

Users, all time27 readings

Runs / 30d26 readings

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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.