{"uid":"cap_CdcjIvuRzwEMHX77pqYG9","slug":"dns-a-records-change-watch-8ac00e3c","name":"DNS A Records Change Watch","description":"Change watch for dns a records: runs the check and compares it with the result from your previous call for the same domain (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when dns a record lookup changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/dns/a","method":"GET","headers":{},"bodySchema":{"type":"object","$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_bN9RYqaJ46ws3RBnfkJb5","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 DNS A record lookups for a domain on a schedule, detecting and reporting exactly what changed between the current and previous check.","exampleAgentPrompt":"Keep an eye on the DNS A records for example.com and let me know if anything changes — compare against what you saw last time and tell me exactly which fields are different.","exampleUseCases":[{"title":"IP address change detection","prompt":"Monitor the DNS A records for mycompany.com and alert me if the IP address changes — show me the old and new values and when the change was first seen."},{"title":"CDN or hosting migration verification","prompt":"We just migrated api.example.com to a new host. Can you check the DNS A records now and compare them to the last recorded snapshot so I can confirm the new IP is live?"},{"title":"Scheduled domain monitoring for SRE team","prompt":"Set up a recurring check on the DNS A records for shop.mybrand.com and report back any differences from the previous check, including exactly which fields changed and their before/after values."}],"resultDescription":"Returns the current DNS A record answer for the domain, a boolean indicating whether it changed since the last check, a structured diff showing exactly which fields changed with before and after values, and the timestamp of when the record was last seen. Previous results are retained for 90 days for comparison.","failureModes":["Domain not found or invalid — returns an error indicating the domain cannot be resolved","No previous result stored (first call) — returns current data with changed=false or no diff","Payment failure — x402 payment not accepted, request rejected","Domain with no A records — returns empty answer set","Rate limit or network timeout — temporary failure, retry advised"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in DNS A records over time for a specific domain and want a built-in diff against the previous check without managing your own storage. It's ideal for scheduled monitoring workflows where you call it periodically and act only when the 'changed' flag is true. Prefer it over raw DNS lookup endpoints when you need the historical comparison and structured before/after diff automatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:00.800Z","isFirstParty":false}