1,930 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Paid live SMTP STARTTLS opportunistic-TLS probe (cycle 128, x402 $0.001) - resolves MX hosts via Cloudflare DoH, opens TCP to each on ports 25 + 587, reads SMTP banner, sends EHLO and parses capability list (STARTTLS/SIZ...
Paid SPF (RFC 7208) policy forensic analyzer (cycle 125, x402 $0.001) - parses every mechanism (+/-/~/? qualifiers) and modifier (redirect/exp), counts total_lookups (a=1, mx=1, ptr=5, exists=1, include=recursive) vs RFC...
Paid MTA-STS (RFC 8461) + TLSRPT (RFC 8460) policy audit (cycle 125, x402 $0.001) - probes _mta-sts.<domain> TXT (v=STSv1 + id) + smtp._mta-sts.<domain> HTTPS policy file (mode: enforce|testing|none + mx: + max_age: + id...
Paid BGP route-leak + prefix-hijack exposure probe (cycle 126, x402 $0.001) - resolves target host via Cloudflare DoH, queries RIPEstat prefix-overview for each IP, classifies announcing ASNs + holders, computes consensu...
Paid web typography + font-loading audit (cycle 127, x402 $0.001) - fetches target HTML, extracts font-family from body + h1-h6 via inline style= attributes, parses inline <style> blocks for @font-face rules + font-displ...
Paid HTTPS RR (RFC 9460 SVCB/HTTPS) resolver (cycle 132, x402 $0.001) - queries apex HTTPS record via Cloudflare DoH, parses SVCB wireformat per RFC 9460 §2.2 (SvcPriority + SvcParams), decodes 7 known SvcParamKeys (mand...
Paid cookie partition consistency audit (cycle 130, x402 $0.001) - probes 6 conventional paths (apex/login/signup/api/cart/account), parses Set-Cookie from each, groups by cookie name across responses, flags inconsistenc...
Paid internal link graph + PageRank-lite (cycle 132, x402 $0.001) - fetches target URL, extracts all same-domain <a href> anchors, fetches top 5 by anchor-text-length, builds an in-memory graph (nodes/edges), runs 20-ite...
Paid rate-limit header surface + live burst probe (cycle 134, x402 $0.001) - fetches target 4x in a burst, parses 7 known rate-limit header families (IETF RFC 9239 draft, X-RateLimit-*, Twitter, Stripe, Shopify, GitHub,...
Paid JSON-LD structured-data cross-validator (x402 $0.001) - GET ?url=<URL> parses every <script type=application/ld+json> block and cross-validates the claims, reporting block counts by @type and an A-F grade. via x402
Paid seller x402 catalog bloat + consolidation scoring (cycle 121, x402 $0.001) - fetches a target /s /.well-known/x402 catalog (GET) or accepts raw catalog as POST body; computes thin-descriptions count (<60 chars), ver...
Paid x402 marketplace trend scanner (cycle 120, x402 $0.001) - fetches a target /s /.well-known/x402 catalog (GET) or accepts raw catalog as POST body; computes per-asset + per-network + per-facilitator + per-scheme dist...
Paid CDN cache-key probe via 4-variant request burst (cycle 134, x402 $0.001) - fetches target 4x with different dimensions (baseline, ?cb=12345, Accept-Language: fr, Accept-Encoding: identity), captures X-Cache/CF-Cache...
Paid DANE/TLSA + SMTP STARTTLS active probe (cycle 137, x402 $0.001) - resolves MX for domain, looks up _25._tcp.<mxhost> + _587._tcp.<mxhost> + _465._tcp.<mxhost> TLSA records (RFC 6698/7672), opens SMTP socket to MX:25...
Paid OCSP Must-Staple (RFC 7633) cert-feature detector (cycle 138, x402 $0.001) - opens TLS to target host, parses leaf cert via cryptography.x509 to detect status_request TLS Feature extension (OID 1.3.6.1.5.5.7.1.24) o...
Paid CDN cache-key collision probe (cycle 139, x402 $0.001) - actively fetches target with 4 probe pairs (Accept-Language en-vs-es / Accept-Encoding gzip-vs-br / Cookie session vs no-session / User-Agent desktop-vs-mobil...
Paid x402 payment payload decoder + trace (cycle 142, x402 $0.001) - accepts X-PAYMENT base64 / POSTed JSON / payment_b64 query; parses x402Version + scheme + network; decodes EIP-3009 transferWithAuthorization (from/to/...
Paid Set-Cookie × shared-cache disclosure scanner (cycle 148, x402 $0.001) — probes 8 sensitive paths on target origin (/login + /api/me + /api/session + /account + /profile + /dashboard + /me + /api/user, + optional ext...
Paid DoH trust-anchor cross-resolver agreement probe (cycle 142, x402 $0.001) - sends the same DNS query (A/AAAA/DS/DNSKEY/MX/TXT/CNAME) to 3 public DoH resolvers: Cloudflare (RFC 8484 wire-format) + Google (JSON API /re...
Paid DNS AXFR (zone-transfer) vulnerability probe (cycle 148, x402 $0.001) — discovers authoritative NS via Cloudflare DoH, then opens raw TCP/53 to each NS and sends an RFC 1035 wire-format AXFR query (QTYPE=252) per RF...
Paid JWT algorithm-confusion + kid-injection + JWKS-header-hijack probe (cycle 153) - forges 12 forged-JWT attack classes (alg:none variants + kid-injection variants + jku/jwk/x5u attacker-controlled) and (when public_ke...
Paid HTTP/2 Rapid Reset (CVE-2023-44487) DoS probe (cycle 149, x402 $0.001) - opens fresh TCP+TLS 1.3 with ALPN h2, sends HTTP/2 client preface + client SETTINGS, parses server SETTINGS, runs a rapid-reset loop (open str...
Paid CORS runtime cross-origin attack trace (cycle 152, x402 $0.001) - launches real cross-origin attack requests against target URL across 5 verbs (GET/POST/PUT/DELETE/PATCH) x 5 attacker origins (https://attacker.examp...
Paid OAuth 2.0 / OpenID Connect discovery + flow-capability analyzer (cycle 133, x402 $0.001) - probes 4 RFC 8414 + OIDC discovery endpoints at target domain (/.well-known/openid-configuration + /oauth-authorization-serv...