{"uid":"cap_hWnvWKMI1QdZSizkqf8Me","slug":"kerberos-srv-record-lookup-via-cloudflare-doh-4c955a0f","name":"Kerberos SRV Record Lookup via Cloudflare DoH","description":"KERBEROS service discovery (_kerberos._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's kerberos service lives without guessing hosts. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/srv/kerberos-tcp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_4LRy8_3nXGwUP3x-68G66","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":"Resolves _kerberos._tcp.<domain> SRV DNS records via Cloudflare DNS-over-HTTPS, returning priority, weight, port, and target host for Kerberos service discovery.","exampleAgentPrompt":"Can you look up the Kerberos SRV DNS record for example.com and tell me which host and port the Kerberos service is running on?","exampleUseCases":[{"title":"Kerberos KDC discovery for enterprise SSO","prompt":"We're setting up Kerberos-based single sign-on and need to know the KDC host and port for corp.example.com — can you pull the _kerberos._tcp SRV record for that domain?"},{"title":"Verify Kerberos DNS config before deployment","prompt":"Before we go live, can you check that acme.internal has a valid _kerberos._tcp SRV record and tell me the priority, weight, port, and target host returned?"},{"title":"Debug Kerberos authentication failure","prompt":"Users are reporting Kerberos login failures against university.edu — can you do a DNS SRV lookup for the Kerberos TCP service on that domain so I can see if the DNS record is pointing to the right server?"}],"resultDescription":"Returns the SRV record data for _kerberos._tcp.<domain> including one or more entries with priority, weight, port number, and target hostname, along with TTL and DNS response code, as answered by Cloudflare DNS-over-HTTPS.","failureModes":["Domain has no _kerberos._tcp SRV record (NXDOMAIN or empty answer section)","Domain does not exist (NXDOMAIN)","Cloudflare DoH upstream timeout or error","Malformed domain input causing DNS query failure","SERVFAIL response if the authoritative DNS server is unreachable"],"whenToPreferThis":"Choose this endpoint when you need to programmatically discover the Kerberos KDC (Key Distribution Center) host and port for a domain via standards-compliant DNS SRV resolution, especially when you want answers from Cloudflare's reliable DoH resolver rather than the local system resolver. Ideal for automation pipelines, infrastructure checks, and cross-network lookups where local DNS may be unreliable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:18.807Z","isFirstParty":false,"canonicalSlug":"kerberos-srv-record-lookup-via-cloudflare-doh-4c955a0f"}