{"uid":"cap_ZRDecn_3monT9BqMW7P1g","slug":"dkim-selector-hs2-change-watch-901b9863","name":"DKIM Selector HS2 Change Watch","description":"Change watch for dkim selector hs2: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/hs2?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_UnOfPVSGzT4nCtsnW3R58","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 selector 'hs2' DNS record for a domain and returns whether it has changed since the last check, along with before/after field diffs.","exampleAgentPrompt":"Keep an eye on the DKIM hs2 selector for example.com and let me know if anything has changed since the last time you checked — show me what fields changed and what the values were before and after.","exampleUseCases":[{"title":"Email deliverability change alert","prompt":"Monitor the DKIM hs2 selector for acmecorp.com and tell me if it has changed since the last check — I want to catch any unexpected key rotations that could break email delivery."},{"title":"Security audit for DKIM tampering","prompt":"Has the DKIM hs2 record for mybusiness.io been modified recently? Show me what it looked like before and what it looks like now if anything changed."},{"title":"Automated DKIM health monitoring","prompt":"Set up a recurring watch on the hs2 DKIM selector for newsletter.example.com so I get notified the moment any field changes, including the public key or TTL."}],"resultDescription":"Returns the current DKIM hs2 selector record, a boolean 'changed' flag indicating if it differs from the previous check (stored up to 90 days), a list of fields that changed with before/after values, and the timestamp of when the record was last seen.","failureModes":["Domain has no DKIM hs2 selector record — returns current answer with empty/NXDOMAIN result","First-time call for a domain has no prior snapshot to compare against — changed will be false or indeterminate","Domain lookup fails due to DNS resolution errors","Stored snapshot is older than 90 days and has been purged, treating the call as a first-time check","Payment not authorized — request rejected before check is run"],"whenToPreferThis":"Use this endpoint when you need to detect changes specifically in the DKIM hs2 selector record for a domain over time. It is ideal for automated monitoring pipelines, security audits, or email deliverability workflows where you want to be alerted to key rotations or unexpected record modifications. Prefer this over a plain DKIM lookup endpoint when change detection and diffing (before/after field comparison) is the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:10.081Z","isFirstParty":false,"canonicalSlug":"dkim-selector-hs2-change-watch-901b9863"}