{"uid":"cap_kJEFN__b7AmY2qK9RadoG","slug":"dkim-selector-smtp-watch-339c2da5","name":"DKIM Selector SMTP Watch","description":"Change watch for dkim selector smtp: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/smtp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_fqKckZhQNXoY2-bWat5z4","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 the 'smtp' selector of a domain and alerts when it changes, comparing against the previously cached result.","exampleAgentPrompt":"Keep an eye on the smtp DKIM selector record for example.com and let me know if anything changes — compare it against the last known value and tell me exactly what fields are different.","exampleUseCases":[{"title":"DKIM key rotation detection","prompt":"Set up a watch on the smtp DKIM selector for sendgrid.com and tell me if the public key or any part of the record has changed since the last check."},{"title":"Email security drift alerting","prompt":"I need to know right away if the smtp._domainkey record for mycompany.com has been tampered with or rotated — run the DKIM smtp watch and show me what changed and when it was last seen."},{"title":"Scheduled deliverability monitoring","prompt":"Every day, check whether the smtp DKIM selector record for our domain acmecorp.com has changed, and send me a report with the before and after values if anything is different."}],"resultDescription":"Returns the current DKIM TXT record for smtp._domainkey.<domain>, a boolean 'changed' flag, a list of fields that changed with before/after values, and the timestamp of when the record was last seen. The previous result is retained for 90 days for comparison.","failureModes":["Domain does not exist or has no smtp DKIM record — returns current empty/null result with changed flag reflecting any prior state","No previous check exists for the domain — changed may be null or false with no before values","DNS lookup failure or timeout — may return an error or partial result","Domain input missing or malformed — request may fail validation"],"whenToPreferThis":"Use this endpoint when you need to continuously monitor the smtp DKIM selector specifically (not other selectors) for a domain, and want change-detection with delta reporting rather than a raw DNS lookup. It is ideal for scheduled polling workflows where you care about drift, key rotation, or unauthorized modifications to the smtp DKIM record over time. Prefer it over a plain DKIM lookup endpoint when you need the 'changed' flag and before/after field comparison baked in.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:13.991Z","isFirstParty":false,"canonicalSlug":"dkim-selector-smtp-watch-339c2da5"}