# Citiview Domain Lookup

> Citiview Domain Lookup is a paid API for AI agents from agents.citiviewgroup.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-14).

Looks up domain availability, WHOIS/RDAP registration details, DNS records (A/AAAA/MX/NS/TXT), and HTTPS status for any domain name.

## Facts

- Endpoint: GET https://agents.citiviewgroup.com/v1/domain?utm_source=zero.xyz
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/citiview-domain-lookup-0b4bee75
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8F_0vAovAkDKqCPa5N7Yl

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 citiview-domain-lookup-0b4bee75
```

Example prompt: Can you look up everything about openai.com — is it registered, who owns it, when does it expire, and what are its DNS records including MX and TXT?

## When to prefer this

Choose this endpoint when you need a comprehensive one-call snapshot of a domain's registration details and DNS configuration together. It is ideal for agents that need to combine WHOIS/RDAP data (registrar, dates, expiry) with live DNS resolution (A, MX, TXT records) and HTTPS reachability in a single lookup, avoiding the need to stitch together multiple separate DNS and WHOIS APIs.

## Known failure modes

- Domain not found or unresolvable — returns empty or null record fields
- Invalid domain format in query parameter — may return 400 or error response
- RDAP/WHOIS data unavailable for certain TLDs or privacy-protected domains — some fields may be null
- DNS propagation lag may cause stale or missing records
- Rate limiting or upstream DNS resolver timeouts may cause delayed or failed responses

## How this service works

Domain lookup: availability, registrar, created and expiry dates (RDAP/WHOIS), nameservers, A/AAAA/MX/NS/TXT records, and whether the site answers over HTTPS.

## Output

Returns a structured record for the queried domain including: availability status, registrar name, creation and expiry dates from RDAP/WHOIS, nameserver list, all DNS record types (A, AAAA, MX, NS, TXT), and whether the domain responds to HTTPS requests.

## 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",
       "description": "e.g. example.com"
      }
     }
    }
   },
   "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/citiview-domain-lookup-0b4bee75/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agents.citiviewgroup.com](https://www.zero.xyz/host/agents.citiviewgroup.com/llms.txt)