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tagged with all of: networking + dns
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Kubernetes DNS service is crucial for enabling reliable communication between Pods and Services by providing predictable DNS names instead of changing IP addresses. This built-in component, managed by CoreDNS, simplifies service discovery, enhances scalability, and reduces configuration complexity. The article also covers troubleshooting tips and the differences between KubeDNS and CoreDNS.
The blog post outlines best practices for implementing DNS in Azure landing zones, emphasizing the importance of a well-structured DNS architecture for secure and scalable enterprise deployments. It discusses various components like Private DNS Zones, DNS Private Resolvers, and forwarding rulesets, and provides guidance on configuring DNS settings to facilitate efficient communication across virtual networks.
The article emphasizes the importance of critical thinking in network troubleshooting, arguing that the common assumption of "it's always DNS" can hinder proper diagnosis of issues. It highlights that many connectivity problems are not inherently linked to DNS, urging teams to understand the complexities of IP mappings and the operational risks involved.