---
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_custom_nameservers)
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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.
**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
##### P ath ParametersExpand Collapse
tenant\_tag: string
Tenant identifier tag.
maxLength32
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20tenant_tag%20%3E%20(schema)>)
##### Body ParametersJSONExpand Collapse
ns\_name: string
The FQDN of the name server.
formathostname
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(params)%200%20%3E%20(param)%20ns_name%20%3E%20(schema)>)
ns\_set: optional number
The number of the set that this name server belongs to.
maximum5
minimum1
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(params)%200%20%3E%20(param)%20ns_set%20%3E%20(schema)>)
##### ReturnsExpand Collapse
errors: array of object {code, message, documentation\_url, source }
code: number
minimum1000
Link to this property
message: string
Link to this property
documentation\_url: optional string
Link to this property
source: optional object {pointer }
pointer: optional string
Link to this property
Link to this property
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(network%20schema)%20%3E%20(property)%20errors>)
messages: array of object {code, message, documentation\_url, source }
code: number
minimum1000
Link to this property
message: string
Link to this property
documentation\_url: optional string
Link to this property
source: optional object {pointer }
pointer: optional string
Link to this property
Link to this property
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(network%20schema)%20%3E%20(property)%20messages>)
success: true
Whether the API call was successful.
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(network%20schema)%20%3E%20(property)%20success>)
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"
Link to this property
"AAAA"
Link to this property
Link to this property
value: optional string
DNS record contents (an IPv4 or IPv6 address).
Link to this property
Link to this property
ns\_name: string
The FQDN of the name server.
formathostname
Link to this property
Deprecatedstatus: "moved"or "pending"or "verified"
Verification status of the nameserver.
One of the following:
"moved"
Link to this property
"pending"
Link to this property
"verified"
Link to this property
Link to this property
zone\_tag: string
Identifier.
maxLength32
Link to this property
ns\_set: optional number
The number of the set that this name server belongs to.
maximum5
minimum1
Link to this property
[Link to this property](<#(resource)%20tenant_custom_nameservers%20%3E%20(method)%20create%20%3E%20(network%20schema)%20%3E%20(property)%20result>)
### Add Tenant Custom Nameserver
HTTP
HTTPTypeScriptPythonGoTerraform
```
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
}
}
```