{"uid":"cap_8HCstppgJYkse30sjwcay","slug":"dkim-selector-mail-change-watch-140443d1","name":"DKIM Selector 'mail' Change Watch","description":"Change watch for dkim selector mail: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/mail?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_HiQVSl4x4AmEzQxsNZTg6","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":"Runs a DKIM 'mail' selector DNS check for a domain, compares it to the previous result (stored 90 days), and returns whether it changed, which fields changed with before/after values, and when it was last seen.","exampleAgentPrompt":"Keep an eye on the DKIM 'mail' selector record for example.com and let me know if anything has changed since the last check — I want to see what fields changed and what the before and after values were.","exampleUseCases":[{"title":"Email security change alerting","prompt":"Can you check if the DKIM mail selector for acme.com has changed since the last time we looked? Show me any fields that are different and what they changed from and to."},{"title":"Post-migration DKIM verification","prompt":"We just migrated our email provider for startupco.io — can you watch the DKIM mail selector and confirm whether the DNS record has updated yet compared to the previous result?"},{"title":"Scheduled DKIM audit workflow","prompt":"I want to schedule a daily watch on the DKIM mail selector for mybusiness.org so I get alerted the moment the record changes — can you run the check now and tell me if it's different from 90 days ago?"}],"resultDescription":"Returns the current DKIM mail selector DNS record, a boolean 'changed' flag indicating if it differs from the previous call, a list of fields that changed with their before and after values, and the timestamp of when the record was last seen. Previous results are retained for 90 days.","failureModes":["Domain not found or does not exist — DNS lookup returns NXDOMAIN","No previous record stored (first call) — 'changed' field may be null or false with no before/after comparison","DKIM mail selector record does not exist for the domain — returns empty or NODATA result","DNS resolution timeout or upstream Cloudflare DoH failure","Rate limiting or payment failure at $0.02 per call"],"whenToPreferThis":"Use this endpoint when you need to detect changes to the DKIM 'mail' selector specifically (mail._domainkey.<domain>) and want a built-in diff against the previous result without managing your own state. Ideal for scheduled monitoring workflows or alerting pipelines where you need before/after comparison. Prefer this over a plain DKIM lookup endpoint when change detection and historical comparison matter, and over generic DNS monitoring tools when you want a lightweight, pay-per-check approach focused on the 'mail' selector.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:19.930Z","isFirstParty":false,"canonicalSlug":"dkim-selector-mail-change-watch-140443d1"}