How to Set Up Reverse DNS (rDNS)

Prerequisites

Before setting up rDNS, make sure you have:

• A Hostxpeed VPS with a dedicated IPv4 address
• A domain name you control
• Access to your Hostxpeed client area

Step 1: Find Your VPS IP Address

Connect to your VPS:

ssh hxroot@YOUR_SERVER_IP -p 22

ip addr show | grep inet | grep -v inet6

Or check your Hostxpeed service details page.

Step 2: Request rDNS via Hostxpeed Portal

Most VPS providers require a support ticket for rDNS changes:

1. Log in to your Hostxpeed Client Area
2. Open a Support Ticket → Technical/Billing
3. Request: "Please set reverse DNS for IP YOUR_IP to server.yourdomain.com"
4. Include proof of domain ownership (if needed)

Step 3: Verify rDNS After Setup

Once Hostxpeed confirms, test from your VPS:

dig -x YOUR_IP +short

Or from any machine:

nslookup YOUR_IP

Expected output should be your requested hostname (e.g., server.yourdomain.com).

Step 4: Create Matching Forward DNS Record

In your domain's DNS settings (at your registrar or DNS provider), create an A record:

server.yourdomain.com → YOUR_IP

This ensures forward and reverse DNS match (important for mail servers).

Common rDNS Use Cases

• Mail servers – many email providers check rDNS
• SSH hostname verification
• Network diagnostics and logging
• FTP server identification