DNS Lookup
Resolves A, AAAA, MX, NS, TXT, CNAME, SOA and CAA records with TTLs and the resolver used.
POST /v1/web/dns-lookup $0.005 per call
Specification
- Endpoint
POST /v1/web/dns-lookup- Price
- $0.005 per call · tier
basic_data - Payment
-
x402 on X Layer (chain 196) · settled in USDG or USDT0 · schemes
exact,aggr_deferred - Data source
- Live fetch of the caller-supplied public URL, SSRF-guarded
- Timeout
- 30 seconds
- Max request
- 256 KB
- Version
1.0.0
Calling it
The first call returns a 402 with the payment challenge. Retry with a
signed authorisation in the X-PAYMENT header — see
the payment guide for the exact shape.
curl -i -X POST "https://api.dana-edu.pp.ua/v1/web/dns-lookup" \
-H "content-type: application/json" \
-d '{ ... }'Response
Every response is wrapped in the same envelope: data plus
warnings, sources, confidence,
informational_only and a measured processing_ms.
See the envelope reference.
Related endpoints
URL Normalizer
Normalises a URL per RFC 3986 — case, default port, path resolution, IDN to punycode, tracking-parameter removal — and returns each component.
TLS Certificate Check
Inspects the served certificate chain — subject, issuer, validity window, days remaining, SANs, key algorithm and protocol version.
Security Header Check
Fetches a URL and grades its security headers — HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy — with a specific remediation for each gap.
robots.txt Parser
Fetches and parses robots.txt, resolving whether a given path is allowed for a given user agent and returning the matching rule.