# DNS A Record Lookup for admin Subdomain (Cloudflare DoH)

> DNS A Record Lookup for admin Subdomain (Cloudflare DoH) is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Resolves the A record for admin.<domain> using Cloudflare DNS over HTTPS and returns whether it exists, its IP addresses, and TTL.

## Facts

- Endpoint: GET https://dns.intel.rallylive.ca/dns/host/admin/a?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dns-a-record-lookup-for-admin-subdomain-cloudflare-doh-179346ce
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sIL1mdKvyMc-fN31vPRvL

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 dns-a-record-lookup-for-admin-subdomain-cloudflare-doh-179346ce
```

Example prompt: Can you check if admin.stripe.com has a DNS A record — I want to know whether that subdomain exists and what IP it resolves to?

## When to prefer this

Use this endpoint when you need a fast, single-shot check on whether a specific domain has an admin subdomain with an A record, without enumerating all subdomains. Prefer this over full DNS enumeration tools when you only need to spot-check common hostnames. Cloudflare DoH ensures reliable, low-latency resolution with privacy benefits over raw UDP DNS.

## Known failure modes

- Domain does not have an admin subdomain — returns NXDOMAIN or empty records
- Invalid or malformed domain name input causes a query error
- Cloudflare DoH upstream timeout or unavailability
- Domain exists but admin subdomain has no A record (may have AAAA or CNAME only)

## How this service works

A record of admin.<domain>: looks up the admin host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like admin without enumerating subdomains. $0.01 per lookup.

## Output

Returns whether admin.<domain> exists as a DNS A record, along with its resolved IP address(es), the TTL value, and the DNS response code — all sourced from Cloudflare DNS over HTTPS.

## 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",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dns-a-record-lookup-for-admin-subdomain-cloudflare-doh-179346ce/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dns.intel.rallylive.ca](https://www.zero.xyz/host/dns.intel.rallylive.ca/llms.txt)