{"uid":"cap_ioBn9CScCc2LLtV2fGlNu","slug":"dns-srv-via-mullvad-5b7c614d","name":"dns-srv-via-mullvad","description":"SRV records for a domain as answered by Mullvad DNS (DNS over HTTPS): the records, TTL, response code (NOERROR/NXDOMAIN/SERVFAIL), whether the resolver validated DNSSEC, and the resolver's answer time. Compare resolvers to spot propagation lag, filtering or split-horizon answers. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/srv/via/mullvad?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Fs95FeRcG_GHqTJpOAzOa","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 SRV DNS records for a domain using Mullvad's DNS over HTTPS resolver, returning records, TTL, response code, DNSSEC validation status, and answer time.","exampleAgentPrompt":"What SRV records does Mullvad DNS return for _sip._tcp.example.com — include the TTL, DNSSEC validation status, and how long the resolver took to answer?","exampleUseCases":[{"title":"Detecting split-horizon SRV answers","prompt":"Check what SRV records Mullvad DNS returns for _xmpp-server._tcp.jabber.org and tell me the TTL, response code, and whether DNSSEC was validated — I want to compare it against another resolver to spot any filtering."},{"title":"Verifying SRV record propagation after DNS change","prompt":"I just updated the SRV records for _autodiscover._tcp.mycompany.com — can you query Mullvad's DNS over HTTPS to see if the new records have propagated yet and what TTL they're returning?"},{"title":"Checking DNSSEC validation of SRV records","prompt":"Look up the SRV records for _sips._tcp.voip-provider.net via Mullvad DNS and tell me if DNSSEC was validated, what the response code was, and how fast the resolver answered."}],"resultDescription":"Returns the SRV records found for the queried domain (priority, weight, port, target), the TTL, the DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a boolean indicating whether the Mullvad resolver validated DNSSEC, and the resolver's answer time in milliseconds.","failureModes":["NXDOMAIN returned if the domain has no SRV records or does not exist","SERVFAIL returned if the upstream resolver encountered an error or DNSSEC validation failed","Network timeout if Mullvad DoH endpoint is unreachable","Empty record set if the domain exists but has no SRV records configured","Payment failure if USDC balance is insufficient for the $0.01 fee"],"whenToPreferThis":"Choose this endpoint when you specifically need SRV record resolution via Mullvad's privacy-focused DNS over HTTPS resolver, especially when comparing resolver behavior across providers, detecting DNS filtering, checking for split-horizon answers, or verifying DNSSEC validation status. Prefer it over generic DNS tools when Mullvad's resolver perspective specifically matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:43.367Z","isFirstParty":false,"canonicalSlug":"dns-srv-via-mullvad-5b7c614d"}