This is a free tool that allows you to check the nameserver currently being used by a site when you enter the domain address. You can use it right below.
Usage
Nameserver Check Tool
How to Check Nameservers:
This tool allows you to check the nameserver information for the domain you entered.
How to Use
Simply paste the domain name to immediately see the current nameserver names. After typing the domain name, click the Check button.
For example, replace the "example" part with the desired domain address like www.example.com.
Example
reference
If the tool does not work correctly, please let us know in the comments below. We will fix it as soon as possible.