GCP 101: What is Cloud DNS?

Posted by Nickolaos Contaxakis, Cloud Solutions Engineer

Aug 26, 2020


IT infrastructure isn’t the only thing you can migrate from a legacy environment to Google Cloud Platform. Have you considered the impact of using legacy servers for hosting your domain name system (DNS) versus those of a cloud provider?

Domain name systems are hierarchical databases that store information to turn user-friendly domain names, such as onixnet.com, into numeric IP addresses. These IP addresses function on the internet in the same way a phone number works. It gets users to the right destination on the web. 

DNS makes your applications easily available to users without requiring them to remember the string of numbers. Some organizations choose to manage their own DNS services, but if you are in the cloud, you can streamline that effort.

surfing the webWhen you use your cloud provider’s managed DNS service, you get powerful redundancy and networks that span geographically diverse regions. That means better performance and resiliency. 

Google Cloud offers this through its Cloud DNS service, the subject of our latest installment of GCP 101. In this series, we’ve already talked about Google Cloud Storage, building a data pipeline and other key GCP services. So let’s now answer the question, “What is Cloud DNS and why does it make sense to use it?”

What is Cloud DNS?

Cloud DNS provides users with a high-performance, resilient and global DNS service that makes it easier to manage your applications while giving users easy access to these applications. 

It all runs on Google Cloud’s trusted infrastructure rather than your on-premise or hosted data center server and provides you with easy lookup of your authoritative name servers.

In more technical terms, as described by Google Cloud, Cloud DNS “acts as an authoritative DNS server for public zones that are visible to the internet, or for private zones that are visible only within your network.” Each zone is a container of DNS records and allows for more granular, administrative control of DNS components.


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Nickolaos Contaxakis, Cloud Solutions Engineer

A seasoned IT consultant with over 25 years of experience, Nick has run his own consulting business and worked for a variety of organizations including some of the biggest names in the industry. A self-admitted geek, he is recognized for his passion and curiosity for everything that is technology related.

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