{"uid":"cap_4b_jLyCao5GhccZDe4f2-","slug":"dns-a-record-change-watch-via-dns-sb-e864fc16","name":"DNS A Record Change Watch via DNS.SB","description":"Change watch for dns a via dnssb: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/a/via/dnssb?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_uC3gX83Mqpaqm2eY5ikr2","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 records for a domain via DNS.SB, comparing current results to a 90-day history and returning whether the record changed, what changed, and when.","exampleAgentPrompt":"Watch the DNS A record for example.com using DNS.SB and let me know if it has changed since the last time we checked — show me what changed, what the old and new values are, and when it was last seen.","exampleUseCases":[{"title":"Alert on unexpected IP address change","prompt":"Keep an eye on the DNS A record for mycompany.com via DNS.SB and tell me immediately if the IP address changes — I want to see the before and after values so I can investigate."},{"title":"Verify DNS propagation after migration","prompt":"We just migrated our servers for api.myapp.com — can you check the DNS A record via DNS.SB and compare it to what it was before so I can confirm the new IP has propagated?"},{"title":"Security monitoring for domain hijacking","prompt":"Set up a watch on the A record for mybrand.com using DNS.SB and flag it if there's any change — I'm worried about DNS hijacking and want a record of when it was last seen unchanged."}],"resultDescription":"Returns the current DNS A record answer for the domain, a boolean 'changed' flag indicating whether it differs from the previous check, a list of fields that changed with before/after values, and the timestamp of when the record was last seen. History is retained for 90 days.","failureModes":["Domain not previously queried — no baseline exists for comparison, so 'changed' will be false or undefined on first call","DNS.SB resolver unavailable — upstream resolution failure","Invalid or malformed domain name — query may return an error","Domain has no A record — empty result with NXDOMAIN or NOERROR/no data response","90-day history window expired — previous result no longer retained, no diff available"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in DNS A records specifically as answered by DNS.SB, and want a built-in diff against a stored historical baseline rather than doing your own comparison. It is ideal for scheduled monitoring workflows, security alerting on IP changes, or verifying DNS propagation after a migration. Prefer it over a plain DNS lookup endpoint when change detection and before/after diffing are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:32.908Z","isFirstParty":false,"canonicalSlug":"dns-a-record-change-watch-via-dns-sb-e864fc16"}