Is Google a DNS Root Server?
When it comes to the Domain Name System (DNS), one of the most commonly used and trusted services is Google’s public DNS. However, it’s important to note that Google is not a DNS root server.
What is a DNS Root Server?
In order to understand why Google is not a root server, let’s first clarify what a DNS root server is. The DNS root servers are a crucial part of the internet infrastructure as they are responsible for providing information about the authoritative name servers for top-level domains (TLDs).
The DNS root servers maintain the directory of all top-level domains, such as .com, .org, .net, and country-specific TLDs like .us or .uk. They have the information about which name servers are authoritative for each TLD.
Google Public DNS
Google offers a public DNS service that provides an alternative to your internet service provider’s default DNS servers. By using Google Public DNS, you can potentially experience faster and more reliable domain name resolution.
The Benefits of Using Google Public DNS:
- Faster response times: Google has powerful infrastructure that can handle high query volumes efficiently.
- Improved security: Google Public DNS blocks access to known malicious websites, providing an added layer of protection.
- Reliability: With multiple data centers around the world, Google Public DNS provides redundancy and high availability.
DNS Resolution Process
When you type a domain name into your browser’s address bar, your computer needs to resolve that name into an IP address so it knows where to send your request. This process involves multiple steps, and one of them is querying the DNS root servers.
When your computer queries the DNS root servers, it asks for the authoritative name server responsible for the top-level domain you are requesting. The root servers respond with a referral to the appropriate TLD name server.
Google’s public DNS service comes into play when your computer sends a query to resolve a domain name. Instead of querying the root servers directly, your computer can send the query to Google Public DNS, which will then handle the resolution process on your behalf.
While Google’s public DNS service is an excellent choice for improving your internet experience, it’s important to understand that they are not a DNS root server. The DNS root servers are maintained by organizations such as ICANN and Verisign.
By leveraging Google Public DNS, you can benefit from its speed, security features, and reliability. However, it’s worth noting that Google relies on the existing hierarchy of DNS infrastructure to provide their service.
Remember to always choose a reliable and reputable DNS resolver for your internet needs. Whether you decide to use Google Public DNS or another provider, having a fast and reliable DNS resolver can greatly enhance your browsing experience.