{"slug":"api-relayshield-net-v1-payg-ip-intel-971ca7","title":"Look up passive DNS resolution history and reputation for a domain or IP address","host":"api.relayshield.net","method":"POST","resource":"https://api.relayshield.net/v1/payg/ip-intel","category":"other","description":"Look up passive DNS resolution history and reputation for a domain or IP address. For a domain: which IPs it has resolved to over time. For an IP: which hostnames have resolved to it, plus malicious/suspicious vendor detection counts. Call to pivot from an indicator to its infrastructure history dur","price_listed":0.1,"price_asked":0.1,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":502,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"domain":"acme.com"},"bodyType":"json","discoverable":true,"method":"POST","type":"http"},"output_schema":{"properties":{"input":{"properties":{"body":{"properties":{"domain":{"description":"Domain to look up (returns reputation + passive DNS resolution history)","type":"string"},"ip":{"description":"Alternative: IP address to look up (returns reputation + reverse passive DNS)","type":"string"}},"type":"object"}},"required":["body"],"type":"object"},"output":{"properties":{"example":{"properties":{"data":{"properties":{"malicious_votes":{"type":"integer"},"queried":{"type":"string"},"query_type":{"type":"string"},"reputation":{"type":"integer"},"resolutions":{"items":{"properties":{"date":{"type":"string"},"ip_address":{"type":"string"}},"type":"object"},"type":"array"},"suspicious_votes":{"type":"integer"}},"type":"object"},"ok":{"type":"boolean"}},"type":"object"},"type":{"type":"string"}},"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.1,"price_match":true,"latency_ms":502,"error":null}],"description_full":"Look up passive DNS resolution history and reputation for a domain or IP address. For a domain: which IPs it has resolved to over time. For an IP: which hostnames have resolved to it, plus malicious/suspicious vendor detection counts. Call to pivot from an indicator to its infrastructure history during an investigation.","last_updated":"2026-10-21T02:14:20.052Z","schemes":["exact"]}