{"uid":"cap_pgajOUq6FA-dDQBy2qkZd","slug":"dkim-selector1-change-watch-cde85af8","name":"DKIM Selector1 Change Watch","description":"Change watch for dkim selector selector1: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/selector1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_kXbxnK2CTuVSKHjgOGyuR","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 selector 'selector1' of a domain and returns whether it has changed since the last check, along with before/after field diffs.","exampleAgentPrompt":"Watch the DKIM selector1 record for example.com and tell me if it has changed since the last time you checked — show me what fields changed and their before/after values.","exampleUseCases":[{"title":"DKIM key rotation detection","prompt":"Check if the DKIM selector1 record for acmecorp.com has changed since yesterday — I want to know if someone rotated the key, and what the old and new values are."},{"title":"Email deliverability integrity monitoring","prompt":"Set up a recurring check on the selector1 DKIM record for mybusiness.com so I get alerted immediately if anything changes — I need to know the moment that record is modified."},{"title":"Post-migration DKIM validation","prompt":"We just migrated our email provider for startup.io — can you check whether the DKIM selector1 record has changed compared to before the migration, and show me exactly what's different?"}],"resultDescription":"Returns the current DKIM selector1 TXT record value for the queried domain, a boolean 'changed' flag indicating whether it differs from the previous check (stored 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 previously checked — no baseline exists for comparison, changed flag may be null or absent","Domain does not have a selector1 DKIM record — returns empty or NXDOMAIN result","DNS resolution failure — Cloudflare DoH unavailable or domain unreachable","Payment failure — $0.02 USDC x402 payment not accepted, request rejected","Stale baseline — prior result older than 90-day retention window, comparison not available"],"whenToPreferThis":"Choose this endpoint when you need to detect changes to a domain's DKIM selector1 record over time, rather than just looking up the current value. It is ideal for automated monitoring pipelines, security alerting, and post-migration validation where you need before/after diffs. Prefer it over a plain DKIM lookup when change detection and historical comparison matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:10.320Z","isFirstParty":false,"canonicalSlug":"dkim-selector1-change-watch-cde85af8"}