Please see our longer article for a fuller explanation of reverse DNS and what it’s for.
You must already have set up your forward DNS records to enable this feature.
1) Log in to your Bhost server control panel and select the VPS you want to manage.
2) Click on the Network tab
3) Click [Edit] for the IP address you want to add the reverse DNS to.
4) In the popup add the domain you want to allocate to this IP address. This popup will complain if your forward DNS records are not correctly set up.