# Speer Cyber Defense DNS Lookup

> Speer Cyber Defense DNS Lookup is a paid API for AI agents from api.speercyberdefense.com, paid per call via x402, $0.002/call, status down (last checked 2026-09-15).

Performs a DNS lookup for a given domain and returns structured intelligence about its DNS records and security posture.

## Facts

- Endpoint: GET https://api.speercyberdefense.com/v1/security/dns/lookup
- Price: $0.002/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/speer-cyber-defense-dns-lookup-c33d74a5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wqRLUDv9tvzSlWzf93g1H

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 speer-cyber-defense-dns-lookup-c33d74a5
```

Example prompt: Can you do a DNS lookup on example.com and tell me what records come back — I want to see the full DNS configuration for security review?

## When to prefer this

Choose this endpoint when you need programmatic DNS lookup with pay-per-use micropayment billing via USDC, especially within a cybersecurity analysis workflow. It is well-suited for AI agents that need to query DNS records on-demand without managing DNS infrastructure, and when the results will be used in a broader security investigation context alongside other Speer Cyber Defense endpoints.

## Known failure modes

- Missing 'domain' query parameter returns an error
- Invalid or malformed domain name returns an error
- DNS resolution failure or non-existent domain may return 503 (not billed)
- Network timeout or upstream DNS failure returns 503 (not billed)
- Failed security analyses return HTTP 503 and are not charged

## How this service works

Cybersecurity micropayments API for AI agents — pay-per-call USDC on Base and Solana (x402 v2). Free utility services under /v1/free/* and gateway select under /v1/gateway/* (Public). Paid cybersecurity analysis, CVE/security news feeds, Base blockchain intelligence, network intel utilities, composite domain/URL reports, research, conversion, verification, and feeds. Failed security analyses are not billed (HTTP 503).

## Output

A JSON object containing a boolean 'ok' field indicating success, a 'tool' string identifying the DNS lookup tool used, a 'status' string (e.g. 'ok'), and a 'summary' string with the DNS lookup results or findings for the queried domain.

## 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": "example.com"
      }
     },
     "additionalProperties": true
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "ok": {
       "type": "boolean"
      },
      "tool": {
       "type": "string"
      },
      "status": {
       "type": "string"
      },
      "summary": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "tool": "resource",
  "status": "ok",
  "summary": "Completed"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/speer-cyber-defense-dns-lookup-c33d74a5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.speercyberdefense.com](https://www.zero.xyz/host/api.speercyberdefense.com/llms.txt)