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17711 Domain Security Check
x402
17711 Domain Security Check is a paid API for AI agents from api.17711.xyz, paid per call via x402, $0.009/call, status unknown (last checked 2026-10-13).
Assesses a domain's security posture by checking SSL certificates, DMARC/SPF records, DNSSEC, HTTP security headers, and blocklist status, returning a composite security score.
Price / call$0.009
Success—
StatusUnknown
How this service works
Domain security check: SSL certificate, DMARC/SPF, DNSSEC, security headers and blocklist status with a score
Output
Returns a structured security report for the specified domain including: SSL certificate validity and details, DMARC record presence and policy, SPF record configuration, DNSSEC status, HTTP security headers analysis, blocklist membership status, report age in seconds, and a composite numerical security score summarizing the overall domain security posture.
Example use cases
Vendor security vetting before onboarding
“Before we onboard this new vendor, can you check the security posture of their domain acmecorp.com — I need to know if their SSL is valid, whether they have DMARC and SPF set up, and if they appear on any blocklists?”
Email deliverability and spoofing risk audit
“We've been having email deliverability issues — can you check if newsletter.mybrand.com has proper DMARC and SPF records configured and give me an overall security score?”
Monitoring a competitor or phishing lookalike domain
“Someone registered stripe-secure.com and I'm worried it might be a phishing site — can you run a domain security check on it to see its SSL status, blocklist flags, and whether it has any legitimate email security records?”
Technical details
Endpoint
POSThttps://api.17711.xyz/registry/domain-security-service/v1/domain-security/get_report?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a comprehensive, multi-signal domain security assessment in a single call — covering SSL, email authentication (DMARC/SPF), DNSSEC, security headers, and blocklist status together with a unified score. Prefer it over individual DNS lookup or SSL checking tools when you want a holistic security snapshot for vendor vetting, phishing domain investigation, or compliance checks. The caching mechanism (max_age_seconds) makes it efficient for repeated checks without redundant cost.
Side effects
- Domain does not exist or is unresolvable — report may return errors for DNS-dependent checks
- SSL certificate check may time out for very slow or unreachable domains
- Blocklist data may be stale if cached report is used (use max_age_seconds=0 to force fresh assessment)
- Invalid domain format input returns a validation error
- Some security headers can only be checked if the domain serves HTTP/HTTPS traffic
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | The domain to assess: `stripe.com`, `www.stripe.com` or a full URL (only the host is used). |
| max_age_seconds | — | The oldest report you accept, in seconds. Omit it for the default (reports up to 1 hour old); `0` forces a fresh assessment. The response always says how old it is. |
Tags
x402
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