Free tools

Enumerate subdomains for a target domain by querying Certificate Transparency logs (crt.sh) and DNS resolution. Returns deduplicated, sorted list.

Enumerate subdomains for a target domain by querying Certificate Transparency logs (crt.sh) and DNS resolution. Returns deduplicated, sorted list.

Free and keyless: no Authorization header, CORS enabled for browser callers. Rate limited per IP at 30 requests/minute and 500/day; the x-ratelimit-remaining-minute and x-ratelimit-remaining-day response headers report what is left.

Example: curl -s "https://api.domainee.dev/v1/tools/subdomain-finder?domain=domainee.dev" | jq

get/v1/tools/subdomain-finder

Request

  • Base URL: https://api.domainee.dev
  • URL: https://api.domainee.dev/v1/tools/subdomain-finder
  • Auth: none required

Query parameters

domainstring required
Example:domainee.dev

Apex domain to enumerate subdomains for.

Response

Lookup completed.

oktrue required
dataobject required

Changes

No recorded changes to this operation across all 1 revision of this API.