## Set Account Custom Nameserver Related Zone Metadata

**put** `/zones/{zone_id}/custom_ns`

Set metadata for account-level custom nameservers on a zone.

If you would like new zones in the account to use account custom nameservers by default, use PUT /accounts/:identifier to set the account setting use_account_custom_ns_by_default to true.

Deprecated in favor of [Update DNS Settings](https://developers.cloudflare.com/api/operations/dns-settings-for-a-zone-update-dns-settings).

### Path Parameters

- `zone_id: string`

  Identifier.

### Body Parameters

- `enabled: optional boolean`

  Whether zone uses account-level custom nameservers.

- `ns_set: optional number`

  The number of the name server set to assign to the zone.

### Returns

- `errors: array of object { code, message, documentation_url, source }`

  - `code: number`

  - `message: string`

  - `documentation_url: optional string`

  - `source: optional object { pointer }`

    - `pointer: optional string`

- `messages: array of object { code, message, documentation_url, source }`

  - `code: number`

  - `message: string`

  - `documentation_url: optional string`

  - `source: optional object { pointer }`

    - `pointer: optional string`

- `success: true`

  Whether the API call was successful.

  - `true`

- `result: optional array of string`

- `result_info: optional object { count, page, per_page, total_count }`

  - `count: optional number`

    Total number of results for the requested service.

  - `page: optional number`

    Current page within paginated list of results.

  - `per_page: optional number`

    Number of results per page of results.

  - `total_count: optional number`

    Total results available without any search parameters.

### Example

```http
curl https://api.cloudflare.com/client/v4/zones/$ZONE_ID/custom_ns \
    -X PUT \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{
          "enabled": true,
          "ns_set": 1
        }'
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": [],
  "result_info": {
    "count": 1,
    "page": 1,
    "per_page": 20,
    "total_count": 2000
  }
}
```