{"uid":"cap_lao4tiNwPn9mUfcv3zCnM","slug":"dkim-hs1-selector-change-watch-83d39669","name":"DKIM HS1 Selector Change Watch","description":"Change watch for dkim selector hs1: 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. $0.02 per check.","url":"https://dns.intel.rallylive.ca/watch/dns/dkim/hs1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Vmy6zQmL3retcszUUeIgg","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 selector 'hs1' DNS record for a given domain and returns whether it has changed since the last check, including before/after field values.","exampleAgentPrompt":"Check if the DKIM hs1 selector for example.com has changed since the last time you looked, and tell me what fields are different now.","exampleUseCases":[{"title":"Email deliverability change alert","prompt":"Keep an eye on the hs1 DKIM record for mycompany.com and let me know the moment it changes — I want to know exactly what was there before and what it changed to."},{"title":"Post-migration DKIM verification","prompt":"We just migrated our email provider — can you check if the hs1 DKIM selector for ourstore.com has changed yet from what it was before?"},{"title":"Security audit DKIM drift detection","prompt":"As part of our weekly security audit, check whether the DKIM hs1 selector for clientdomain.com has been modified since last week and show me any before/after differences."}],"resultDescription":"Returns the current DKIM hs1 selector record value, a boolean indicating whether it has changed since the previous check, a list of fields that changed with their before and after values, and a timestamp of when the record was last seen. Previous results are stored for up to 90 days.","failureModes":["Domain has no hs1 DKIM selector record — returns current empty/null result with no previous data to compare","First-ever call for a domain — no prior state exists so 'changed' cannot be determined and baseline is stored","DNS lookup failure due to upstream resolver issues — may return error or timeout","Domain name not provided or malformed — request fails validation","Cached result older than 90 days — previous state has expired and comparison resets"],"whenToPreferThis":"Use this endpoint when you need to detect changes to a DKIM hs1 selector specifically, rather than just reading its current value. It is ideal for scheduled monitoring workflows where you want an alert-style changed flag and field-level diff rather than raw DNS data. Prefer this over a plain DNS lookup when you need historical comparison built-in without managing state yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:36.226Z","isFirstParty":false,"canonicalSlug":"dkim-hs1-selector-change-watch-83d39669"}