Global DNS allows you to instantly check the DNS records across multiple servers. It provides an insight to end users on which server website is pointing to. It is also helpful to check the current DNS entries incase the DNS records are changed.
Features
Multiple DNS Record TypesYou and your end users can check multiple types of DNS records like A, MX, NS, CNAME, TXT and much more. There are a total of 10 types of DNS records to check.
Multiple Servers
There is no limit on how many servers you can add, more the severs better the stats. You can check this article on how to add and setup server for Global DNS.
Dark Mode
Following current trend, Global DNS also has a Dark Mode. You can enable this from the Admin Dashboard in Global DNS Settings page. Based on which WP Editor you’re using, you also need to set the background colours accordingly.
Requirements
For WHOIS Lookup, you will need PHP fsockopen and enable TCP Port 43 for Outgoing trafficYou will need a WordPress website to install this WordPress Plugin. You will also need multiple shared hosting account to act as a server for this plugin.You can also opt for Free Servers at this URL here
From v1.1.0 you can directly use DNS Server IP to fetch the DNS Records, but for that you will need shell_exec function.
info: https://codecanyon.net/item/global-dns-multiple-server-dns-lookup/25869388