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how.is DNSSEC Validation Check
x402
how.is DNSSEC Validation Check is a paid API for AI agents from how.is, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-31).
Checks whether DNSSEC is signed and validates correctly for a given domain, including chain of trust and DS/DNSKEY records.
Price / call$0.005
Success—
StatusUnknown
How this service works
Whether DNSSEC is signed and validates for a domain.
Output
Returns a JSON object indicating whether the domain has DNSSEC signed (isSigned), whether it validates correctly (isValid), a validationStatus string, the full chainOfTrust, the DS records, DNSKEY records, and any errors, warnings, or recommendations found during validation.
Example use cases
Pre-launch DNS security audit
“Before we go live, can you verify that DNSSEC is properly signed and validates end-to-end for mybusiness.com? I want to know the validation status and see any warnings or recommendations.”
Diagnosing DNSSEC misconfiguration
“Users are reporting DNS resolution failures for ourplatform.io — can you check whether DNSSEC is correctly configured and tell me if the chain of trust is broken anywhere?”
Third-party vendor domain vetting
“We're about to integrate with a payment processor at paymentco.net — can you confirm their DNSSEC is signed and valid so I know their DNS hasn't been tampered with?”
Technical details
Endpoint
POSThttps://how.is/v1/domain/dnssec?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically verify DNSSEC configuration for a domain — especially before trusting DNS-resolved addresses for payment, authentication, or sensitive API integrations. Prefer this over manual dig/delv commands when operating in an automated agent workflow. It provides structured output including chain of trust details, DS and DNSKEY records, and actionable recommendations in a single call.
Side effects
- Domain does not exist or is not registered — may return empty or error state
- Domain has no DNSSEC records — isSigned will be false
- DNSSEC is signed but chain of trust is broken — isValid false with errors
- Malformed domain input exceeding 253 characters — input validation error
- Transient DNS resolver issues may cause intermittent validation failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | A bare domain name, e.g. example.com |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"_shape": "data.data: isSigned, isValid, validationStatus, chainOfTrust, dsRecords, dnskeyRecords, errors, warnings, recommendations."
},
"result": "DNSSEC for the requested subject",
"receipt": {
"rail": "x402",
"tool": "dnssec",
"charge_usd": 0.005,
"settlement_tx": "0x…"
}
}
}Tags
x402
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