## Update DNS Firewall Cluster Reverse DNS

`client.dnsFirewall.reverseDNS.edit(stringdnsFirewallId, ReverseDNSEditParamsparams, RequestOptionsoptions?): ReverseDNSEditResponse`

**patch** `/accounts/{account_id}/dns_firewall/{dns_firewall_id}/reverse_dns`

Update reverse DNS configuration (PTR records) for a DNS Firewall cluster

### Parameters

- `dnsFirewallId: string`

  Identifier.

- `params: ReverseDNSEditParams`

  - `account_id: string`

    Path param: Identifier.

  - `ptr?: Record<string, string>`

    Body param: Map of cluster IP addresses to PTR record contents

### Returns

- `ReverseDNSEditResponse`

  - `ptr: Record<string, string>`

    Map of cluster IP addresses to PTR record contents

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const response = await client.dnsFirewall.reverseDNS.edit('023e105f4ecef8ad9ca31a8372d0c353', {
  account_id: '023e105f4ecef8ad9ca31a8372d0c353',
});

console.log(response.ptr);
```

#### 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": {
    "ptr": {
      "foo": "string"
    }
  }
}
```