In the world of the Internet, where every click, request, and data transfer relies on seamless connectivity, Domain Name System (DNS) issues can be the silent disruptors that bring the entire digital ecosystem to a halt. As organizations and individuals become increasingly dependent on the Internet for their day-to-day operations, understanding and troubleshooting DNS problems have become essential skills for IT professionals.

The Domain Name System (DNS) is the backbone of the internet. Proper DNS configuration is essential for seamless internet connectivity and plays a central role in enhancing website performance. In this guide, we will explore DNS configuration and its importance and provide step-by-step instructions for configuring DNS servers on various platforms, as well as client settings.

In Part 1 of this series, we introduced you to the key metrics you should be monitoring to ensure that you get optimal performance from CoreDNS running in your Kubernetes clusters. In Part 2, we showed you some tools you can use to monitor CoreDNS. In this post, we’ll show you how you can use Datadog to monitor metrics, logs, and traces from CoreDNS alongside telemetry from the rest of your cluster, including the infrastructure it runs on.

In Part 1 of this series, we looked at key metrics you should monitor to understand the performance of your CoreDNS servers. In this post, we’ll show you how to collect and visualize these metrics. We’ll also explore how CoreDNS logging works and show you how to collect CoreDNS logs to get even deeper visibility into your Deployment.

CoreDNS is an open source DNS server that can resolve requests for internet domain names and provide service discovery within a Kubernetes cluster. CoreDNS is the default DNS provider in Kubernetes as of v1.13. Though it can be used independently of Kubernetes, this series will focus on its role in providing Kubernetes service discovery, which simplifies cluster networking by enabling clients to access services using DNS names rather than IP addresses.

In Kubernetes, the Domain Name System (DNS) plays a crucial role in enabling service discovery for pods to locate and communicate with other services within the cluster. This function is essential for managing the dynamic nature of Kubernetes environments and ensuring that applications can operate seamlessly. For organizations migrating their workloads to Kubernetes, it’s also important to establish connectivity with services outside the cluster.

The modern business heavily depends on an active online presence for customer engagement and revenue generation. But have you ever stopped to think about what makes these online services accessible to users around the world? Enter the Domain Name System (DNS), a crucial component of the internet infrastructure that translates domain names into IP addresses and directs traffic to the appropriate server.

Are you ready to take your DNS management to the next level? If so, we’ve got some exciting news for you! ManageEngine CloudDNS has just released a set of updates that are set to revolutionize the way you manage your DNS infrastructure. From enhanced branding and protection features to improved scalability and DevOps-induced productivity, these updates are designed to simplify your DNS management and ensure that your web applications are always available to users.

Cloud computing makes it easier for businesses to build and deploy applications that are accessible from anyplace in the world. But cloud computing also introduces new challenges, such as ensuring applications remain available even if there are network outages or unexpected spikes in traffic. ManageEngine CloudDNS provides a powerful geo-load balancing and redundancy feature that makes it easy to manage and distribute traffic across multiple servers and locations.

Welcome dear reader! It's time for a deep dive into the world of DNS. As you would expect for a SaaS startup, everything starts with the customer. On a bright sunny day, we received a support request, asking for an explanation for unusual 5 second DNS resolution times that triggered check degradations.