{"uid":"cap_UQdrHGj1QZ-vh_l4wZyQo","slug":"dns-mx-via-mullvad-c675e8ee","name":"dns-mx-via-mullvad","description":"MX 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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/mx/via/mullvad?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_aeAbUWJbGh52JgAJSw2GW","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":"Retrieves MX records for a domain using Mullvad's DNS over HTTPS resolver, returning records, TTL, response code, DNSSEC validation status, and answer time.","exampleAgentPrompt":"Can you look up the MX records for gmail.com using the Mullvad DNS resolver and tell me what mail servers it returns, the TTL, and whether DNSSEC was validated?","exampleUseCases":[{"title":"Email delivery troubleshooting","prompt":"I'm having trouble receiving emails at example.com — can you check what MX records Mullvad DNS returns for example.com, including the TTL and response code, so I can see if the records are propagating correctly?"},{"title":"Comparing MX records across resolvers","prompt":"Can you query the MX records for protonmail.com via Mullvad DNS so I can compare them against what other resolvers like Cloudflare and Google return — I want to spot any filtering or split-horizon differences?"},{"title":"DNSSEC validation check for mail records","prompt":"Check whether Mullvad DNS validates DNSSEC when resolving MX records for paypal.com and tell me what mail servers it lists along with the answer time."}],"resultDescription":"Returns the MX records (mail exchange hostnames and priorities) for the queried domain as answered by Mullvad's DoH resolver, along with the record TTL, DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a boolean indicating whether the resolver performed DNSSEC validation, and the resolver's answer latency in milliseconds.","failureModes":["NXDOMAIN response if the domain does not exist","SERVFAIL if Mullvad's resolver cannot reach authoritative servers","Empty MX record set if the domain has no MX records configured","Network timeout if the DoH endpoint is unreachable","Invalid or malformed domain input may return an error"],"whenToPreferThis":"Choose this endpoint when you specifically want MX record data as seen by the Mullvad DNS resolver — useful for comparing resolver-specific answers, detecting geographic or policy-based filtering, verifying DNSSEC enforcement, or checking propagation lag relative to other resolvers. Prefer this over generic DNS tools when resolver identity and DNSSEC validation status matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:56:02.449Z","isFirstParty":false,"canonicalSlug":"dns-mx-via-mullvad-c675e8ee"}