---
title: "Configuring Forward and Stub Zones"
canonical: "https://docs.infoblox.com/space/DAAG/10748024/Configuring%20Forward%20and%20Stub%20Zones"
format: markdown
---
> ⚠️ **Note**
> ⚠️ 
> ⚠️ <span style="color: #333333">From NIOS 9.0 onwards, IB-4030 and IB-4030-10GE appliances are not supported.</span>  
> ⚠️ <span style="color: #333333">Similar features and functionalities are available on software-based DNS Cache Acceleration appliances, and it is recommended to use the software-based DCA supported appliances. For a list of supported appliances, see as described in </span>[*<span style="color: #333333">Supported DNS Cache Acceleration Appliances</span>*](https://infoblox-docs.atlassian.net/wiki/spaces/DAAG/pages/10747938)<span style="color: #333333">.</span>

You can configure forward and stub zones on an IB-4030 or IB-4030-10GE appliance. A forward zone is where queries are sent before being forwarded to other remote name servers. A stub zone contains records that identify the authoritative name servers in another zone. For information about configuring forward and stub zones, see the NIOS Documentation at [*docs.infoblox.com*](https://docs.infoblox.com).