{"uid":"cap_rAbjp_QgtAKaH_vLnT68K","slug":"dkim-selector-mte1-lookup-254b106b","name":"DKIM Selector mte1 Lookup","description":"DKIM public key for selector \"mte1\" of a domain: looks up mte1._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). Confirms that mail signed with the mte1 selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/mte1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eq_iSoWsJUbCBbkqWuwFm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up and parses the DKIM public key for the 'mte1' selector of any domain via DNS-over-HTTPS, returning key type, length, testing flag, and revocation status.","exampleAgentPrompt":"Can you check if the mte1 DKIM selector is properly set up for example.com — I need to know the key type, length, and whether it's revoked or in testing mode?","exampleUseCases":[{"title":"Pre-send email authentication audit","prompt":"Before we start the email campaign, check if the mte1 DKIM selector is active and valid for ourdomain.com — make sure the key isn't revoked and isn't stuck in testing mode."},{"title":"Diagnosing DKIM verification failures","prompt":"Emails signed with the mte1 selector from clientdomain.com are failing DKIM verification — can you look up the mte1 DKIM record and tell me what key type and length it's using and whether anything looks wrong?"},{"title":"New domain onboarding DNS check","prompt":"We just onboarded newbrand.com to our mail platform — can you verify that the mte1 DKIM key is published correctly in DNS and that it's not empty or revoked?"}],"resultDescription":"Returns parsed DKIM TXT record details for the mte1._domainkey.<domain> record, including the protocol version (v=), key type (k=), RSA/EC key type label, public key bit length, whether the testing flag (t=y) is set, and whether the key is revoked (empty p= field). Confirms whether mail signed with this selector will pass DKIM verification.","failureModes":["Domain has no mte1._domainkey TXT record — returns not-found or empty result","DNS resolution failure via Cloudflare DoH — network or upstream error","Malformed TXT record that cannot be parsed — partial or error result","Key is revoked (empty p=) — reported as revoked, not a lookup error","Payment not provided or insufficient — x402 payment required response"],"whenToPreferThis":"Use this endpoint when you specifically need to verify or audit the 'mte1' DKIM selector for a domain. It is distinct from generic DKIM checkers in that it targets only the mte1 selector (mte1._domainkey.<domain>) and returns structured, pre-parsed fields rather than raw TXT data. Prefer it for automated email infrastructure audits, pre-deployment checks, or monitoring pipelines where you need machine-readable DKIM metadata for this specific selector.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:32.402Z","isFirstParty":false,"canonicalSlug":"dkim-selector-mte1-lookup-254b106b"}