{"uid":"cap_iYIL_7hxX2S6AeaO9v1v5","slug":"reverse-dns-via-adguard-change-watch-6cba82aa","name":"Reverse DNS via AdGuard Change Watch","description":"Change watch for reverse dns via adguard: runs the check, compares it with the result from your previous call for the same ip (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","url":"https://ip.intel.rallylive.ca/watch/ip/ptr/via/adguard?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Tg1nW8p-veU4Hg64EfQx5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors reverse DNS (PTR) lookups for an IP address using AdGuard, detecting and reporting changes compared to the previous check.","exampleAgentPrompt":"Keep an eye on the reverse DNS (PTR record) for IP 203.0.113.45 using AdGuard and let me know if it changes compared to the last time you checked.","exampleUseCases":[{"title":"ISP infrastructure change detection","prompt":"Watch the reverse DNS for 198.51.100.10 via AdGuard and alert me the moment its PTR record changes — I need to know if this IP gets reassigned to a different hostname."},{"title":"Suspicious IP hostname monitoring","prompt":"I'm tracking a potentially malicious IP at 192.0.2.88 — check its reverse DNS via AdGuard and tell me whether the PTR record has changed since my last check, with before and after values if it has."},{"title":"Server migration verification","prompt":"We're migrating servers and I need to confirm when the reverse DNS for 203.0.113.7 updates — run the AdGuard PTR watch on it and show me whether it's changed and what the new value is."}],"resultDescription":"Returns the current PTR record result, a boolean indicating whether it changed since the last call, the specific fields that changed with their before and after values, and a timestamp of when the record was last seen. Previous results are retained for 90 days for comparison.","failureModes":["IP address not provided or invalid format — query fails","No previous result stored (first call for this IP) — 'changed' may be null or false with no before/after diff","AdGuard DNS lookup fails or times out — error returned","Result older than 90 days purged — comparison unavailable","Payment not received — 402 response blocking the check"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in reverse DNS (PTR) records for a specific IP address over time, particularly when using AdGuard as the DNS resolver. Ideal for automated monitoring workflows where you want to be alerted when an IP's hostname association changes, rather than just performing a one-time lookup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:42:18.538Z","isFirstParty":false,"canonicalSlug":"reverse-dns-via-adguard-change-watch-6cba82aa"}