What Is Cisco’s DNS Server?


Heather Bennett

Cisco’s DNS Server is a crucial component of any network infrastructure. DNS, which stands for Domain Name System, is responsible for translating human-readable domain names into IP addresses that computers can understand. It acts as a directory that helps computers locate and communicate with other devices on the internet.

What is DNS?
DNS plays a vital role in the functioning of the internet. When you type a URL into your web browser, such as www.example.com, your computer needs to know the IP address associated with that domain name in order to establish a connection. This is where DNS comes into play.

How Does Cisco’s DNS Server Work?
Cisco offers its own DNS server solution called Cisco Umbrella. Cisco Umbrella provides secure and reliable DNS resolution services for organizations of all sizes. It helps protect against threats like malware, phishing attacks, and ransomware by blocking access to malicious websites.

The Benefits of Cisco Umbrella

  • Enhanced Security: Cisco Umbrella’s global network analyzes and blocks millions of malicious domains every day, providing an additional layer of security for your network.
  • Improved Performance: By caching frequently accessed domain names locally, Cisco Umbrella reduces latency and speeds up the browsing experience for users.
  • Flexible Deployment: Whether you are a small business or a large enterprise, Cisco Umbrella can be easily deployed on-premises or in the cloud to suit your specific needs.
  • Threat Intelligence: With its extensive threat intelligence database, Cisco Umbrella can identify new threats in real-time and block access to malicious sites even before they are categorized.

Setting Up Cisco Umbrella

Setting up Cisco Umbrella involves configuring your network devices to use Cisco’s DNS servers. This can be done by modifying the DNS settings on your router, switches, or individual devices.

To configure your router to use Cisco Umbrella, follow these steps:

  1. Login to your router’s administration panel.
  2. Navigate to the DNS settings section.
  3. Enter the primary and secondary Cisco Umbrella DNS server addresses provided by your network administrator.
  4. Save the changes and restart your router.


In conclusion, Cisco’s DNS Server, also known as Cisco Umbrella, is a powerful solution for secure and reliable DNS resolution. By leveraging its extensive threat intelligence database and global network infrastructure, organizations can enhance their network security and improve overall performance.

Deploying Cisco Umbrella is a straightforward process that involves configuring network devices to use Cisco’s DNS servers. With its numerous benefits, Cisco Umbrella is an excellent choice for businesses looking to protect their networks from cyber threats.

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