{"uid":"cap_h8v-5nhNwWdROd-ETnTeX","slug":"dkim-selector-email-change-watch-a2ccbe3b","name":"DKIM Selector Email Change Watch","description":"Change watch for dkim selector email: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/email?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_eNsU-WmUVK0LyCRTBDTV8","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 TXT record for the 'email' selector of a domain and returns whether it has changed since the last check, with before/after field diffs.","exampleAgentPrompt":"Keep an eye on the DKIM 'email' selector record for example.com and tell me if it has changed since the last check — I want to know what fields changed and what the old vs new values are.","exampleUseCases":[{"title":"Alert on DKIM key rotation","prompt":"Watch the DKIM email selector for acmecorp.com and notify me the moment it changes — I need to know immediately if the key gets rotated so I can update our mail server config."},{"title":"Scheduled email security audit","prompt":"Every week, check whether the DKIM email selector TXT record for mybusiness.com has changed and give me a before/after comparison of any fields that differ from the previous check."},{"title":"Third-party sender monitoring","prompt":"I'm using a third-party ESP that manages the DKIM email selector on sendingdomain.io for me — can you watch that record and flag if it's been changed without my knowledge?"}],"resultDescription":"Returns the current DKIM TXT record for the 'email' selector, a boolean 'changed' flag indicating whether it differs from the previous check (stored up to 90 days), a diff of changed fields with before/after values, and the timestamp of when the record was last seen.","failureModes":["Domain not found or does not exist — DNS resolution failure returned","No previous check stored (first call) — 'changed' will be false or null with no diff","DKIM selector 'email._domainkey.<domain>' TXT record does not exist — returns empty/not-found result","Payment not processed — x402 payment required error","Stale baseline if last check was more than 90 days ago — history expired, treated as first call"],"whenToPreferThis":"Choose this endpoint when you need to detect changes to the 'email' DKIM selector specifically (email._domainkey.<domain>), rather than other selectors like 'mail' or 'mj'. It is ideal for scheduled polling workflows where you want diff output (before/after field values) rather than just the raw current record. Prefer it over a plain DKIM lookup when change detection and alerting over time is the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:13.150Z","isFirstParty":false,"canonicalSlug":"dkim-selector-email-change-watch-a2ccbe3b"}