{"uid":"cap_EIR_PzY_vGZFznMB15I3R","slug":"dkim-selector-mx-watch-544891a4","name":"dkim-selector-mx-watch","description":"Change watch for dkim selector mx: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/mx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_e3y0aWLNXsd1fcKfARCyx","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 DKIM selector MX DNS records for a domain, detects changes compared to the previous check, and returns what changed with before/after values.","exampleAgentPrompt":"Keep an eye on the DKIM selector MX record for example.com and let me know if anything changes compared to last time you checked.","exampleUseCases":[{"title":"Alert on DKIM MX misconfiguration","prompt":"Watch the DKIM selector MX record for mycompany.com and alert me right away if it changes — I need to know the moment something looks different from what it was before."},{"title":"Scheduled DKIM mail security audit","prompt":"Every day, check whether the DKIM MX selector record for our domain newsletter.acme.io has changed since yesterday's check, and give me a before/after comparison if it has."},{"title":"Post-migration DKIM verification","prompt":"We just migrated our mail servers — can you run a DKIM MX watch on oldbrand.com and tell me whether the record has changed from what it was 90 days ago, including exactly which fields are different?"}],"resultDescription":"Returns the current DKIM selector MX record answer, a boolean 'changed' flag indicating whether it differs from the previous check (stored for up to 90 days), a list of fields that changed with their before and after values, and a timestamp of when the record was last seen.","failureModes":["Domain not found or invalid — returns an error or empty record set","No previous check stored (first call) — 'changed' may be indeterminate or false by default","DNS resolution failure — upstream resolver unavailable or timeout","Payment failure — x402 payment not processed, request rejected","Domain has no DKIM MX records — returns empty result with changed=false"],"whenToPreferThis":"Choose this endpoint when you need to be alerted to changes in DKIM selector MX DNS records over time, rather than just a one-time lookup. It is ideal for scheduled monitoring workflows where you want stateful before/after comparisons across calls, with up to 90 days of history retained. Prefer it over a plain DNS lookup when detecting drift, misconfiguration, or unauthorized changes to DKIM mail authentication infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:18.809Z","isFirstParty":false,"canonicalSlug":"dkim-selector-mx-watch-544891a4"}