{"uid":"cap_Tl01QNNsAqKC_rzmwCZL7","slug":"sitecheck-web-intel-dns-propagation-checker-44687507","name":"SiteCheck Web Intel DNS Propagation Checker","description":"Asks two independent public DNS resolvers (AdGuard DNS and NextDNS) for the same name and record type right now and reports whether they agree, with each answer set and its lowest TTL. It shows cache and geo-DNS differences between resolvers; it is two vantage points, not a worldwide propagation survey.","url":"https://api.webintel-api.workers.dev/api/security/dns-propagation?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","required":["name"],"properties":{"name":{"type":"string","description":"Host or domain name, e.g. example.com (required)"},"type":{"type":"string","description":"A, AAAA, MX, NS, TXT or CNAME (default A)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fmEOgsSXNFgBgWBR6soBo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Queries two independent public DNS resolvers (AdGuard DNS and NextDNS) for a given hostname and record type, then reports whether they agree, along with each resolver's answer set and lowest TTL.","exampleAgentPrompt":"Can you check whether AdGuard DNS and NextDNS agree on the A record for stripe.com right now, and show me each resolver's answer and TTL?","exampleUseCases":[{"title":"Verify DNS propagation after record change","prompt":"I just updated the A record for mybusiness.com — can you check whether AdGuard DNS and NextDNS are both returning the new IP yet, and tell me if they agree?"},{"title":"Detect geo-DNS or cache discrepancy","prompt":"Check the MX records for gmail.com on both AdGuard DNS and NextDNS and let me know if the two resolvers return different answers or TTLs."},{"title":"Audit TXT records from independent resolvers","prompt":"Pull the TXT records for shopify.com from two independent resolvers and tell me if they match — I want to confirm my SPF record is consistently visible."}],"resultDescription":"Returns each resolver's answer set for the requested DNS record type (A, AAAA, MX, NS, TXT, or CNAME), the lowest TTL observed at each resolver, and a flag indicating whether the two resolvers agree. Useful for spotting caching lag, geo-DNS differences, or propagation delays between two vantage points.","failureModes":["Invalid or non-existent domain name returns NXDOMAIN from one or both resolvers","Unsupported record type may return empty or error response","Temporary resolver unavailability may cause one side to fail","Highly cached records may show stale TTLs not reflecting recent changes","Rate limiting on the upstream resolvers may cause timeouts"],"whenToPreferThis":"Choose this endpoint when you need a quick two-resolver sanity check on whether a DNS record is consistent and propagated, especially after making DNS changes or when debugging email deliverability or site reachability issues. It is not a worldwide propagation survey (use a dedicated global propagation tool for that), but it is ideal for fast, independent double-checking of resolver agreement and TTL state at minimal cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T06:50:11.105Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-dns-propagation-checker-44687507"}