3.3.3.3 is a public DNS resolver IP address — a server you can point your device or network to for domain name lookups (translating domain names like example.com into IP addresses).
Zentyal 3.3: A specific version of the Linux small business server that includes DNS cache server and forwarder configuration.
If you are currently using or considering using 3.3.3.3 as your DNS server, you should stop. It is not a valid, public, or recursive DNS resolver. dns 3.3.3.3
Benefits of Using DNS 3.3.3.3
Replace the existing server addresses with your preferred IPs (e.g., Cloudflare's Save and Apply the changes. 2 Feb 2013 — It is not a valid, public, or recursive DNS resolver
Mock Environment: It frequently appears in tutorials (such as Docker or network routing guides) as a dummy IP to demonstrate how to configure custom name servers.
Using 3.3.3.3 as your DNS resolver is relatively straightforward. Here are the steps to configure 3.3.3.3 on your device: Using 3
So, why is 3.3.3.3 significant? Here are a few reasons:
The DNS system works as follows: