{"uid":"cap_vTGmfov1QDUCGYHLjARg1","slug":"dns-cname-change-watch-via-dns-sb-e2c079c1","name":"DNS CNAME Change Watch via DNS.SB","description":"Change watch for dns cname 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/cname/via/dnssb?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_NTajqaws71-j96YfD4wJr","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 CNAME DNS records for a domain via DNS.SB, detects changes compared to the previous check, and returns current values with a changed flag and before/after diffs.","exampleAgentPrompt":"Watch the CNAME records for example.com via DNS.SB and let me know if anything has changed since the last time you checked — show me what changed and what it was before.","exampleUseCases":[{"title":"CDN migration detection","prompt":"Keep an eye on the CNAME records for myshop.com using DNS.SB and alert me the moment they change — I want to know immediately if our CDN provider gets swapped out unexpectedly."},{"title":"Domain hijacking early warning","prompt":"Set up a watch on the CNAME records for secure-login.mybrand.com and tell me if anything has changed, including what the old and new values are — we need to catch any unauthorized DNS changes fast."},{"title":"Deployment verification check","prompt":"After our infrastructure update, check whether the CNAME records for api.mycompany.com have changed from what they were before — show me the before and after values so I can confirm the deployment went through."}],"resultDescription":"Returns the current CNAME records for the domain as answered by DNS.SB, a boolean 'changed' flag, a list of fields that changed with before/after values, and a timestamp of when the records were last seen. Results are compared against the previous check stored for up to 90 days.","failureModes":["Domain not previously checked — no baseline exists for comparison, so 'changed' is indeterminate on first call","DNS.SB resolver unavailable or times out — no records returned","Invalid domain format — query rejected","CNAME record does not exist for domain — empty record set returned","90-day baseline expired — previous snapshot no longer available for comparison"],"whenToPreferThis":"Use this endpoint when you need to detect changes in CNAME DNS records specifically as seen through the DNS.SB resolver, and you want automatic before/after diffing without managing your own snapshot state. Prefer it over raw DNS lookup endpoints when your goal is change detection and alerting rather than one-time record retrieval. Ideal for scheduled polling workflows where you need to be notified only when something actually changes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:40:29.030Z","isFirstParty":false,"canonicalSlug":"dns-cname-change-watch-via-dns-sb-e2c079c1"}