{"slug":"domain-age-checker-underscoredone-com-lookup-ce7e0a","title":"Send a list of domain names and this tool tells you exactly how old each one is,","host":"domain-age-checker.underscoredone.com","method":"POST","resource":"https://domain-age-checker.underscoredone.com/lookup","category":"other","description":"Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domains, researching competitors, or evaluating domains before buying or linking to the","price_listed":0.01,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"domains":["google.com","openai.com","github.com"]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"domains":{"description":"A list of domain names you want to look up. You can include plain domains like 'example.com' or full web addresses like 'https://example.com/page' — both work. Maximum 50 domains per request.","type":"array"}},"required":["domains"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"api_version":{"type":"string"},"failed":{"type":"integer"},"processed_at":{"type":"string"},"results":{"items":{"type":"object"},"type":"array"},"succeeded":{"type":"integer"},"total":{"type":"integer"}},"required":["api_version","results","total","succeeded","failed","processed_at"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domains, researching competitors, or evaluating domains before buying or linking to them. Works with over 100 domain extensions worldwide.","last_updated":"2026-09-14T19:48:05.933Z","schemes":["exact"]}