{"uid":"cap_5VF28PvTGQ93xbmH63PNp","slug":"dkim-selector-k2-change-watch-4f9a0382","name":"DKIM Selector k2 Change Watch","description":"Change watch for dkim selector k2: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/k2?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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__bHtExMs1P7SHqv9ilBgp","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 public key record for selector 'k2' of a given domain, detecting and reporting any changes compared to the previous check (retained 90 days).","exampleAgentPrompt":"Keep an eye on the DKIM k2 selector record for example.com and tell me if it has changed since the last time you checked — show me what fields changed and their before/after values.","exampleUseCases":[{"title":"Alert on unauthorized DKIM key rotation","prompt":"Watch the k2 DKIM selector record for acmecorp.com and alert me immediately if it changes — I want to know the exact fields that were modified and what they looked like before and after."},{"title":"Scheduled email security audit","prompt":"Check whether the k2 DKIM selector for mybusiness.com has changed compared to 90 days ago and give me a full diff so I can verify no unauthorized key rotation happened."},{"title":"Post-migration DNS change verification","prompt":"We just migrated our mail infrastructure for techstartup.io — can you check the k2 DKIM selector record now and tell me if it's changed from the previous snapshot, so I can confirm the new key is live?"}],"resultDescription":"Returns the current DKIM k2 selector record for the domain, a boolean 'changed' flag indicating whether it differs from the last stored result, a list of fields that changed with their before and after values, and the timestamp of when the record was last seen. Historical comparison data is retained for 90 days.","failureModes":["Domain does not have a k2 DKIM selector record (NXDOMAIN or empty TXT response)","No previous check stored for domain within 90 days — changed field may default to false or null","DNS lookup failure or timeout from upstream resolver","Invalid or missing domain parameter resulting in a bad request error","Rate limiting or payment failure for the $0.02 per call fee"],"whenToPreferThis":"Use this endpoint when you need to continuously monitor whether the DKIM k2 selector record for a specific domain has changed, especially for scheduled alerting workflows. It is purpose-built for change detection with 90-day state retention, returning a structured diff — making it superior to a raw DKIM lookup endpoint when your goal is detecting rotation, unauthorized key changes, or verifying post-migration state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:27.505Z","isFirstParty":false,"canonicalSlug":"dkim-selector-k2-change-watch-4f9a0382"}