---
title: Add Tenant Custom Nameserver
---

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[API Reference](https://developers.cloudflare.com/api)

[Tenant Custom Nameservers](https://developers.cloudflare.com/api/resources/tenant%5Fcustom%5Fnameservers)

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# Add Tenant Custom Nameserver

POST/tenants/{tenant\_tag}/custom\_ns

Adds a custom nameserver for a tenant.

##### Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. [Create a token](https://developers.cloudflare.com/fundamentals/api/get-started/create-token/).

**Example:**`Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY`

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

**Example:**`X-Auth-Email: user@example.com`

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

**Example:**`X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194`

##### Path ParametersExpand Collapse 

tenant\_tag: string

Tenant identifier tag.

maxLength32

##### Body ParametersJSONExpand Collapse 

ns\_name: string

The FQDN of the name server.

formathostname

ns\_set: optional number

The number of the set that this name server belongs to.

maximum5

minimum1

##### ReturnsExpand Collapse 

errors: array of object { code, message, documentation\_url, source } 

code: number

minimum1000

message: string

documentation\_url: optional string

source: optional object { pointer } 

pointer: optional string

messages: array of object { code, message, documentation\_url, source } 

code: number

minimum1000

message: string

documentation\_url: optional string

source: optional object { pointer } 

pointer: optional string

success: true

Whether the API call was successful.

result: optional object { dns\_records, ns\_name, status, 2 more } 

A single tenant custom nameserver.

dns\_records: array of object { type, value } 

A and AAAA records associated with the nameserver.

type: optional "A" or "AAAA"

DNS record type.

One of the following:

"A"

"AAAA"

value: optional string

DNS record contents (an IPv4 or IPv6 address).

ns\_name: string

The FQDN of the name server.

formathostname

Deprecatedstatus: "moved" or "pending" or "verified"

Verification status of the nameserver.

One of the following:

"moved"

"pending"

"verified"

zone\_tag: string

Identifier.

maxLength32

ns\_set: optional number

The number of the set that this name server belongs to.

maximum5

minimum1

### Add Tenant Custom Nameserver

HTTP

HTTPHTTP

TypeScriptTypeScript

PythonPython

GoGo

TerraformTerraform

```
curl https://api.cloudflare.com/client/v4/tenants/$TENANT_TAG/custom_ns \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{
          "ns_name": "ns1.example.com",
          "ns_set": 1
        }'
```

200 example

```
{
  "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": {
    "dns_records": [
      {
        "type": "A",
        "value": "1.1.1.1"
      }
    ],
    "ns_name": "ns1.example.com",
    "status": "verified",
    "zone_tag": "023e105f4ecef8ad9ca31a8372d0c353",
    "ns_set": 1
  }
}
```

##### Returns Examples

200 example

```
{
  "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": {
    "dns_records": [
      {
        "type": "A",
        "value": "1.1.1.1"
      }
    ],
    "ns_name": "ns1.example.com",
    "status": "verified",
    "zone_tag": "023e105f4ecef8ad9ca31a8372d0c353",
    "ns_set": 1
  }
}
```