{"uid":"cap_U6Y8CdlZ441yZwueluvZu","slug":"dns-a-record-change-watch-via-mullvad-bfcdf83d","name":"DNS A Record Change Watch via Mullvad","description":"Change watch for dns a via mullvad: runs the check, compares it with the result from your previous call for the same domain (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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/a/via/mullvad?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_bciWXl1l8O22bfqV2E_uL","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 through Mullvad's resolver, detects changes vs. prior call, and returns current answer with a changed flag and before/after diffs.","exampleAgentPrompt":"Watch the DNS A record for example.com using the Mullvad resolver and tell me if it has changed since the last check — show me what changed and what the current IPs are.","exampleUseCases":[{"title":"Detect unauthorized IP hijacking","prompt":"Keep an eye on the DNS A record for mybusiness.com through Mullvad — alert me the moment the IP address changes compared to what it was last time you checked."},{"title":"Validate CDN migration rollout","prompt":"Check the DNS A record for api.myapp.io via Mullvad and compare it to the previous reading — I want to confirm the IP has flipped to our new CDN address and see the before/after."},{"title":"Scheduled ISP-agnostic DNS monitoring","prompt":"Poll the DNS A record for competitor.com through Mullvad every hour and tell me whenever you see a change, including which fields changed and when it was last seen stable."}],"resultDescription":"Returns the current DNS A record answer for the domain as seen through Mullvad's resolver, a boolean 'changed' flag comparing to the last stored result (retained 90 days), a list of fields that changed with before/after values, and a timestamp of when the record was last seen in that state.","failureModes":["Domain not found / NXDOMAIN — returns empty record set with no-change status","No prior check stored — first call returns current state with changed=false and no diff","Mullvad resolver unreachable — may return timeout or resolver error","Invalid domain input — may return error or empty response","90-day history expiry — prior result purged, treated as first call"],"whenToPreferThis":"Choose this endpoint when you need to detect DNS A record changes specifically as observed through Mullvad's privacy-focused resolver, which may differ from mainstream resolvers due to filtering or geolocation. Ideal for scheduled monitoring workflows where you want diff-style change detection with before/after values rather than just a raw current lookup. Prefer over generic DNS lookup endpoints when change alerting and historical comparison matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:54:30.044Z","isFirstParty":false,"canonicalSlug":"dns-a-record-change-watch-via-mullvad-bfcdf83d"}