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What is Google IPv6 DNS?

Published in Google DNS 2 mins read

Google IPv6 DNS refers to the IPv6 addresses used by Google Public DNS, a free, global Domain Name System (DNS) service that you can use as an alternative to your current DNS provider. Google provides both IPv4 and IPv6 addresses for its public DNS service.

Understanding Google Public DNS

Google Public DNS is designed to be a fast and secure DNS service. It can improve your browsing speed and security compared to using your ISP's default DNS servers. Think of DNS as the internet's phonebook; it translates domain names (like google.com) into IP addresses (like 172.217.160.142) that computers use to communicate.

Google IPv6 DNS Addresses

The key difference between Google Public DNS and Google IPv6 DNS is the type of IP addresses used. Google IPv6 DNS uses IPv6 addresses, the newer version of the Internet Protocol addresses. The Google Public DNS IPv6 addresses are:

  • 2001:4860:4860::8888
  • 2001:4860:4860::8844

Some devices may not accept the abbreviated :: IPv6 address syntax and require explicit values for all eight fields of the IPv6 addresses.

Why Use IPv6?

IPv6 is the successor to IPv4 and offers several advantages:

  • Larger Address Space: IPv6 provides a significantly larger address space compared to IPv4, addressing the issue of IPv4 address exhaustion.
  • Improved Efficiency: IPv6 is designed to be more efficient in routing and packet processing.
  • Enhanced Security: IPv6 includes built-in security features like IPsec.

How to Configure Google IPv6 DNS

You can configure your device or network to use Google IPv6 DNS by:

  1. Accessing your network settings.
  2. Finding the DNS settings.
  3. Replacing your current DNS server addresses with Google's IPv6 DNS addresses: 2001:4860:4860::8888 and 2001:4860:4860::8844.

Important Considerations:

  • Ensure your internet service provider (ISP) supports IPv6.
  • Check your router's documentation for instructions on configuring IPv6 DNS settings.

Benefits of Using Google Public DNS

  • Speed: Google's DNS servers are optimized for speed and performance.
  • Security: Enhanced security features help protect against DNS-based attacks.
  • Reliability: Google maintains a robust and redundant DNS infrastructure.

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