How to Check DNS Resolution

Prerequisites

Before checking DNS, make sure you have:

• SSH access to your VPS

Using dig (Recommended)

Connect to your VPS:

ssh hxroot@YOUR_SERVER_IP -p 22

Install dig:

apt install dnsutils -y

Basic lookup:

dig google.com

Short answer only:

dig google.com +short

Check Specific Record Types

A record (IPv4):

dig google.com A +short

MX record (mail servers):

dig google.com MX +short

NS record (name servers):

dig google.com NS +short

TXT record (SPF, DKIM, etc.):

dig google.com TXT +short

Using nslookup

nslookup google.com

Check Reverse DNS (PTR)

dig -x 8.8.8.8 +short