What Is a Public DNS Server?

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Angela Bailey

What Is a Public DNS Server?

A Public DNS server is a remote server that translates domain names (such as www.example.com) into IP addresses. It acts as an intermediary between your device and the internet, allowing you to access websites by their domain names.

How Does a Public DNS Server Work?

When you type a website address in your browser, such as www.com, your computer sends a request to the DNS resolver, which is usually provided by your Internet Service Provider (ISP). The resolver then looks up the IP address associated with that domain name in its DNS cache. If it’s not found, the resolver contacts a public DNS server to retrieve the IP address.

The public DNS server has an extensive database of domain names and their corresponding IP addresses. It receives your request and responds with the correct IP address. Your computer then uses this IP address to establish a connection and load the website.

Why Use a Public DNS Server?

1. Improved Speed:

  • A public DNS server may have faster response times than your ISP’s DNS resolver. This can lead to quicker website loading times and improved browsing experience.

2. Increased Security:

  • Some public DNS servers offer additional security features, such as blocking known malicious websites or providing protection against phishing attacks.

3. Bypassing Restrictions:

  • In some cases, public DNS servers can help bypass restrictions imposed by ISPs or governments on certain websites or content.

Selecting a Public DNS Server

There are several popular public DNS servers you can choose from:

1. Google Public DNS

Google Public DNS is a reliable and widely used public DNS service. Its IP addresses are 8.8.8 and 8.4.

2. Cloudflare DNS

Cloudflare DNS is known for its strong emphasis on privacy and security. Its IP addresses are 1.1.1 and 1.0.

3. OpenDNS

OpenDNS offers a range of free and paid options with additional features like content filtering and protection against malware.

How to Change Your DNS Server?

To change your DNS server settings, follow these steps:

  1. Go to your device’s network settings.
  2. Select the network connection you want to modify (e.g., Wi-Fi or Ethernet).
  3. Look for the option to change the DNS server settings.
  4. Enter the IP addresses of the desired public DNS servers.
  5. Save the changes and restart your device if necessary.

Note: Changing your DNS server may require administrative privileges on your device.

In Conclusion

A public DNS server is an essential component of the internet infrastructure that helps translate domain names into IP addresses, allowing us to access websites easily. By choosing a reliable public DNS server, you can potentially improve browsing speed, enhance security, and bypass certain restrictions imposed by ISPs or governments.

Note: While public DNS servers offer advantages, it’s important to choose reputable providers and be cautious of potential security risks. It’s always recommended to research and understand the implications before changing your DNS server settings.

9 Related Question Answers Found

What Is Public DNS Server?

What Is Public DNS Server? A Domain Name System (DNS) server is responsible for translating domain names into IP addresses. When you enter a website URL, your browser sends a request to a DNS server to find the corresponding IP address.

What Is a Personal DNS Server?

A personal DNS server is a powerful tool that allows you to have more control over your internet browsing experience. It acts as a translator between domain names and IP addresses, helping your device connect to the correct website. What is DNS?

What Is a Microsoft DNS Server?

A Microsoft DNS server is a powerful tool that allows you to manage and control your domain name system (DNS) infrastructure. With a Microsoft DNS server, you can easily resolve hostnames to IP addresses and vice versa, ensuring smooth communication between devices on your network. What is DNS?

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What Is DNS Internet Server? The Domain Name System (DNS) is a critical component of the internet that translates human-readable domain names into IP addresses. It acts as a phonebook of the internet, allowing users to access websites and services using familiar domain names instead of remembering complex IP addresses.

What Is a Local DNS Server?

A local DNS server is an essential component of a network infrastructure. It plays a crucial role in translating human-readable domain names into IP addresses that computers can understand. In this article, we will explore what a local DNS server is, how it works, and why it is important.

What Is Google Public DNS Server?

What Is Google Public DNS Server? Google Public DNS is a free Domain Name System (DNS) service offered by Google. It functions as a recursive resolver, translating human-readable domain names into their corresponding IP addresses to facilitate internet connectivity.

What Is an Open DNS Server?

An Open DNS server refers to a Domain Name System (DNS) server that is publicly accessible and doesn’t require any authentication to use. It is an alternative to using the default DNS servers provided by your Internet Service Provider (ISP). In this article, we will explore what an Open DNS server is, its benefits, and how to use it effectively.

What Exactly Is a DNS Server?

A DNS (Domain Name System) server is a crucial component of the internet infrastructure that translates human-friendly domain names into machine-readable IP addresses. In simpler terms, it acts as a phonebook for the internet, converting memorable website addresses like www.example.com into the numerical IP addresses that computers and servers use to communicate with each other. The Importance of DNS Servers Without DNS servers, accessing websites by their domain names would be nearly impossible.

What Is a Proxy DNS Server?

A Proxy DNS Server, also known as a DNS Proxy or DNS Forwarder, is a server that acts as an intermediary between a client and a DNS server. It helps in resolving domain names into IP addresses and caching the results for future use. How Does a Proxy DNS Server Work?

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