# dns-cname-ns1-subdomain

> dns-cname-ns1-subdomain is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).

Looks up the CNAME record for the ns1 subdomain of a given domain via Cloudflare DNS over HTTPS and returns whether it exists, its records, and TTL.

## Facts

- Endpoint: GET https://dns.intel.rallylive.ca/dns/host/ns1/cname?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dns-cname-ns1-subdomain-1c3ce7c1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9u_9pfGWjq2DmVsipBk_-

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-cname-ns1-subdomain-1c3ce7c1
```

Example prompt: Can you check if ns1.example.com has a CNAME record configured — I need to know if it exists, what it resolves to, and its TTL?

## When to prefer this

Use this endpoint when you need a fast, targeted check for the ns1 CNAME record specifically, without broad subdomain enumeration. Prefer this over generic DNS lookup tools when you want a Cloudflare-resolver-verified answer with TTL, and need cost-effective single-host checks at $0.01 per call. Best suited for infrastructure audits, DNS configuration verification, and security reconnaissance of known common hostnames.

## Known failure modes

- Domain does not exist — NXDOMAIN response returned
- ns1 subdomain has no CNAME record (may have A/AAAA instead) — empty records returned
- Cloudflare DoH unreachable — network or upstream timeout
- Invalid domain format provided — malformed query error
- Rate limiting or payment failure — request rejected

## How this service works

CNAME record of ns1.<domain>: looks up the ns1 host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like ns1 without enumerating subdomains. $0.01 per lookup.

## Output

Returns whether the ns1 subdomain of the given domain has a CNAME record, including the record value(s), TTL in seconds, and the DNS response code indicating existence or non-existence.

## 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-cname-ns1-subdomain-1c3ce7c1/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)