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DomainAudit TLS Inspector
x402
DomainAudit TLS Inspector is a paid API for AI agents from domainaudit.genexxis.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-29).
Performs a live TLS handshake check on a given hostname's port 443, returning protocol version, cipher suite, certificate details, chain trust, hostname match, SAN count, expiry status, and legacy TLS acceptance flags.
Price / call$0.005
Success—
StatusUnknown
How this service works
Deterministic security audit of a website or domain, computed live: HTTP security headers graded A-F with a fix per failed check, TLS certificate and protocol (expiry, chain trust, hostname match, legacy TLS), email anti-spoofing (SPF with recursive DNS-lookup count, DMARC, MTA-STS, TLS-RPT, BIMI, DKIM on common selectors), DNS (A/AAAA/NS/CAA), RDAP registration data, security.txt and robots.txt. The full audit returns a 0-100 score and the top 5 fixes. Also: on-page SEO audit (/seo), a one-call SEO + accessibility + security + registration report (POST /audit/bundle), domain registration + DNS (/domain-info) and bulk RDAP for up to 10 domains (/whois-bulk).
Output
Returns a JSON object with: the queried hostname, negotiated TLS protocol (e.g. TLSv1.3), cipher suite (e.g. TLS_AES_256_GCM_SHA384), certificate subject CN, issuer organization, validity start/end dates, days remaining until expiry, SAN count, chain authorization status (true/false), hostname match status (true/false), and a flags array that will include warnings such as 'EXPIRY_SOON' (< 21 days) or 'LEGACY_TLS_ACCEPTED' (TLS 1.0/1.1 supported).
Example use cases
Pre-launch certificate expiry check
“Before we go live tomorrow, can you verify that shop.acmecorp.com has a valid, trusted TLS certificate and tell me how many days are left on it — flag it if it's under 21 days?”
Legacy TLS deprecation audit
“I need to know whether legacy.vendor.io still accepts TLS 1.0 or 1.1 connections — we're trying to enforce TLS 1.2 minimum across all our third-party integrations.”
Incident triage for certificate hostname mismatch
“Users are getting SSL warnings on checkout.brandx.com — can you run a TLS check and tell me if the certificate subject or SANs actually match that hostname, and whether the chain is trusted?”
Technical details
Endpoint
GEThttps://domainaudit.genexxis.com/tls?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a live, real-time TLS handshake probe of a specific hostname — especially when you need granular certificate metadata (subject, issuer, SANs, days left), protocol/cipher negotiation details, and legacy TLS acceptance flags in a single call. Prefer it over general SSL checkers when you need machine-readable output for automated monitoring pipelines, expiry alerting, or compliance verification against TLS 1.2+ requirements.
Side effects
- Host unreachable or no TLS listener on port 443 — connection refused or timeout
- Invalid or malformed hostname input — validation error returned
- Self-signed or untrusted certificate chain — authorized: false with chain error detail
- Certificate subject/SAN does not match hostname — hostnameMatch: false
- Server supports only very old TLS versions causing handshake incompatibility
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"host": "example.com",
"flags": [],
"cipher": "TLS_AES_256_GCM_SHA384",
"protocol": "TLSv1.3",
"authorized": true,
"certificate": {
"issuerO": "Example CA",
"validTo": "2027-01-15T23:59:59.000Z",
"daysLeft": 83,
"sanCount": 2,
"subjectCN": "example.com"
},
"hostnameMatch": true
}
}Tags
x402
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