{"uid":"cap_nQxP1uZQ4ixhmxmwIuBK1","slug":"dkim-selector-k3-change-watch-24b02805","name":"DKIM Selector k3 Change Watch","description":"Change watch for dkim selector k3: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/k3?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_QVLwVYrFut8YASHqeK7fI","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 the DKIM DNS record for selector 'k3' on a given domain and returns whether it changed since the last check, with before/after field diffs.","exampleAgentPrompt":"Keep an eye on the DKIM k3 selector record for example.com and let me know if it changes from what it was last time you checked — I want to catch any key rotation or tampering.","exampleUseCases":[{"title":"DKIM key rotation alerting","prompt":"Watch the DKIM k3 selector for acme.com and alert me if the public key or any field changes — I need to know immediately if it's rotated or removed."},{"title":"Email security drift detection","prompt":"Set up monitoring on the k3 DKIM selector for mybusiness.com so I get notified whenever something changes; I want to catch unauthorized modifications to our email signing config."},{"title":"Post-deployment DKIM verification","prompt":"After our DNS migration, check the DKIM k3 record for newdomain.com and tell me if it changed compared to the last snapshot — I need to confirm the record propagated correctly."}],"resultDescription":"Returns the current DKIM k3 record for the domain, a boolean 'changed' flag indicating whether any fields differ from the previous check (stored up to 90 days), a diff of changed fields showing before/after values, and the timestamp of when the record was last seen.","failureModes":["Domain not found or has no DKIM k3 record — returns empty record with changed flag based on prior state","First-ever call for a domain has no previous result to compare against — changed field may be null or false by default","Domain parameter missing — returns 400-level error","DNS resolver timeout or upstream failure — may return an error rather than a record","Prior result has expired (older than 90 days) — no baseline available for comparison"],"whenToPreferThis":"Use this endpoint when you specifically need change detection for the DKIM selector named 'k3' — it handles the diffing and history storage automatically so you don't have to. Prefer it over a plain DKIM lookup when you want to schedule periodic checks and be alerted only when something actually changes, especially for long-running monitoring of email authentication configuration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:47:06.264Z","isFirstParty":false,"canonicalSlug":"dkim-selector-k3-change-watch-24b02805"}