Subdomain Checker
Subdomain Checker API lets you quickly discover subdomains of any domain. It performs fast, lightweight scans and returns structured data including DNS types (IP, NAME) and resolved addresses. Ideal for cybersecurity, SEO audits, bug bounty recon, and domain monitoring. Easily integrate into tools, dashboards, or CI/CD workflows to track exposed or hidden subdomains.
Subdomain Checker pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $10 / month | 5 / second |
|
| ULTRA | $49.99 / month | 8 / second |
|
| MEGA | $199 / month | 10 / second |
|