{"uid":"cap_4wCdCM6lY1OBUtZ-O1r83","slug":"dns-a-record-lookup-for-mysql-subdomain-1419c4e5","name":"DNS A Record Lookup for mysql Subdomain","description":"A record of mysql.<domain>: looks up the mysql host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mysql without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/mysql/a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Bbo9nv5S6_R-jM5PjhMvt","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 the A record for the mysql.<domain> subdomain via Cloudflare DoH and reports existence, IP records, and TTL","exampleAgentPrompt":"Can you check whether mysql.rallylive.ca has an A record configured — I want to know if the MySQL subdomain exists and what IP it resolves to?","exampleUseCases":[{"title":"Database host discovery for a domain","prompt":"Check if mysql.acmecorp.com has a DNS A record — I want to confirm the MySQL server is publicly reachable and see what IP it points to."},{"title":"Security recon on a target domain","prompt":"Does mysql.targetsite.io have an A record? I'm auditing their exposed infrastructure and want to know if they have a MySQL subdomain visible in DNS."},{"title":"Infrastructure validation before deployment","prompt":"Before we go live, can you verify that mysql.myapp.com has a valid A record configured and tell me what the TTL is?"}],"resultDescription":"Returns whether the mysql.<domain> A record exists, the resolved IP address(es), and the TTL of the record as returned by Cloudflare DoH. If the subdomain does not exist, the response indicates no record found.","failureModes":["Domain does not have a mysql subdomain — no A record returned","Invalid or malformed domain name input","Cloudflare DoH upstream timeout or failure","NXDOMAIN response when the parent domain itself does not exist","Rate limiting or payment failure for the $0.01 per-call fee"],"whenToPreferThis":"Use this endpoint when you need a fast, targeted existence check for the mysql subdomain of a specific domain without performing full subdomain enumeration. Ideal for infrastructure audits, security reconnaissance, deployment validation, or any workflow needing to confirm whether a MySQL host is DNS-configured under a given domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:20.565Z","isFirstParty":false,"canonicalSlug":"dns-a-record-lookup-for-mysql-subdomain-1419c4e5"}