{"slug":"dns-openverbs-com-v1-reverse-ef6c0d","title":"Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s)","host":"dns.openverbs.com","method":"POST","resource":"https://dns.openverbs.com/v1/reverse","category":"market","description":"Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s). No PTR record returns an empty list. This is reverse DNS (PTR) — not ENS or onchain name resolution.","price_listed":0.006,"price_asked":0.006,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":611,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"ip":"example"},"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":{"ip":{"description":"IPv4 or IPv6 address, e.g. \"1.1.1.1\".","type":"string"}},"required":["ip"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.006,"price_match":true,"latency_ms":611,"error":null}],"description_full":"Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s). No PTR record returns an empty list. This is reverse DNS (PTR) — not ENS or onchain name resolution.","last_updated":"2026-09-06T08:06:52.539Z","schemes":["exact"]}