DNS 3.3.3.3 is a public DNS service provided by Cisco, a well-known technology company. This service allows users to resolve domain names to IP addresses using the IP address 3.3.3.3. The service is designed to be fast, secure, and reliable.
It is common for users to confuse 3.3.3.3 with other "quad" DNS addresses. For reference, here are the major verified public DNS providers: : 1.1.1.1 Google Public DNS : 8.8.8.8 Quad9 : 9.9.9.9 dns 3.3.3.3
Beyond the Quadrant: An Analysis of 3.3.3.3 as an Alternative DNS Resolver dns 3.3.3.3