# Domain Trust Preflight Check

> Domain Trust Preflight Check is a paid API for AI agents from nohands-coinbase-bazaar.bytoken2023.workers.dev, paid per call via x402, $0.015001/call, status unknown (last checked 2026-11-02).

Inspects a domain's DNS, DNSSEC, mail configuration, CNAME resolution, RDAP registration age/expiration, and overall trust signals before agent interactions.

## Facts

- Endpoint: GET https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/web/domain-trust-preflight?utm_source=zero.xyz
- Price: $0.015001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-11-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/domain-trust-preflight-check-ae51dea2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hqf0Bec3FyITe4yqKfM4t

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability domain-trust-preflight-check-ae51dea2
```

Example prompt: Before my agent pays for that API, can you run a domain trust preflight on api.example.com — check its DNS, DNSSEC, mail records, CNAME resolution, and RDAP registration age and expiration to see if it looks legitimate?

## When to prefer this

Use this endpoint as a preflight step whenever an agent is about to interact with, pay, or integrate with an unfamiliar domain. It is especially valuable before x402 payments, API integrations, or responding to inbound agent communications from unknown senders. Prefer this over generic WHOIS tools when you need a combined view of DNS health, DNSSEC, mail configuration, and RDAP registration age in a single call.

## Known failure modes

- Domain does not exist or is unresolvable — returns error or empty DNS results
- RDAP lookup unavailable for certain TLDs — registration age may be missing
- DNSSEC not configured on domain — reported as absent, not as a lookup failure
- Rate limiting or upstream DNS resolver timeouts — may return partial results
- Invalid or malformed domain input — returns validation error

## How this service works

Inspect public DNS, DNSSEC, mail, CNAME resolution, RDAP registration age, expiration, and domain trust signals.

## Output

Returns a structured report of the domain's public DNS records, DNSSEC validation status, mail (MX/SPF/DKIM/DMARC) configuration, CNAME resolution chain, RDAP registration date and expiration, and aggregated trust signals indicating whether the domain appears legitimate and well-maintained.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "domain"
     ],
     "properties": {
      "domain": {
       "type": "string",
       "example": "github.com",
       "pattern": "^(?:[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?\\.)+[A-Za-z]{2,63}$",
       "maxLength": 253,
       "description": "Registrable or delegated public DNS domain name."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "x-schema-family": "STRUCTURED_PRODUCT_RESULT",
     "x-schema-authority": "STRUCTURED_PRODUCT_RESULT",
     "additionalProperties": true
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/domain-trust-preflight-check-ae51dea2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nohands-coinbase-bazaar.bytoken2023.workers.dev](https://www.zero.xyz/host/nohands-coinbase-bazaar.bytoken2023.workers.dev/llms.txt)