---
title: Default Ipv4
url: https://docs.vultr.com/reference/vultr-cli/instance/reverse-dns/default-ipv4
description: Resets an instances IPv4 reverse DNS record to Vultrs default hostname format.
publish_date: 2025-09-14T03:06:38.938746Z
last_updated: 2025-11-07T17:47:28.559065Z
---

The `vultr-cli instance reverse-dns default-ipv4` command removes the custom reverse DNS record for an instance's primary IPv4 address, reverting it to the default value.

## Usage

```console
$ vultr-cli instance reverse-dns default-ipv4 <Instance ID> <IPv4 Address>
```