Integrating DNS with Network Access Control for Unified Security

The Domain Name System, or DNS, has long been a foundational component of the internet, facilitating the translation of human-readable domain names into machine-readable IP addresses. Beyond its traditional role in enabling connectivity, DNS has increasingly become a critical layer for enforcing network security. Integrating DNS with Network Access Control (NAC) offers a powerful approach…

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Oblivious DNS Protecting User Privacy from Network Observers

The Domain Name System, or DNS, is an essential layer of the internet that translates human-readable domain names into the IP addresses used by devices to communicate. However, traditional DNS queries have long been a weak point for user privacy. By default, DNS requests are transmitted in plaintext, making them visible to any party with…

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DNS Configuration Management at Scale Tools and Techniques

The Domain Name System, or DNS, serves as the backbone of the internet, enabling users to access websites, applications, and services through human-readable domain names. As organizations expand their digital presence and networks grow in complexity, managing DNS configurations at scale has become a significant challenge. Large enterprises, content delivery networks, and cloud providers must…

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Network Management in the Era of Encrypted DNS Traffic

The Domain Name System, or DNS, has long been a cornerstone of internet functionality, providing the mechanism by which human-readable domain names are resolved into machine-readable IP addresses. For much of its history, DNS queries were transmitted in plaintext, offering no confidentiality or integrity protections. While this simplicity facilitated broad compatibility and ease of implementation,…

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Learning from DNS Outages Resilience Engineering and Postmortems

The Domain Name System, or DNS, is a foundational component of the internet, serving as the bridge that connects users to websites, applications, and services. Despite its critical role, DNS is not immune to failures. Outages, whether caused by misconfigurations, hardware failures, software bugs, or cyberattacks, can have far-reaching consequences, disrupting businesses, impacting users, and…

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Leveraging DNS for E-Commerce Resilience and Failover

E-commerce platforms are the backbone of modern retail, facilitating seamless transactions between businesses and customers worldwide. With the increasing reliance on online shopping, the stakes for maintaining uninterrupted service have never been higher. Downtime, latency, or performance issues can result in significant revenue losses, damage to brand reputation, and diminished customer trust. Amid these challenges,…

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DNS for Microservices Discovery and Routing in Complex Architectures

The rise of microservices architecture has transformed the way applications are developed and deployed, breaking down monolithic structures into smaller, independently deployable components that interact to deliver comprehensive functionality. While this architectural shift has brought unparalleled scalability, flexibility, and resilience, it has also introduced new challenges, particularly in the areas of service discovery and routing.…

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DNS Load Testing Benchmarking Resolvers and Authoritative Servers

The Domain Name System, or DNS, serves as the internet’s directory, enabling seamless access to websites, applications, and services by translating human-readable domain names into machine-readable IP addresses. The reliability and performance of DNS infrastructure are crucial to the functionality of the digital ecosystem. However, as the internet continues to grow in scale and complexity,…

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Intelligent DNS Routing Personalized and Contextual Resolution

The Domain Name System, or DNS, has long been the bedrock of internet functionality, converting human-readable domain names into the IP addresses that devices need to communicate. Traditionally, DNS has operated as a uniform resolution system, providing the same response to every query for a given domain regardless of the context in which the request…

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Strengthening Email Security with DNS-based Authentication DMARC SPF DKIM

Email is one of the most widely used communication tools in the digital world, serving as the backbone for personal, professional, and commercial exchanges. Despite its ubiquity, email was not originally designed with robust security features, making it a prime target for malicious actors seeking to exploit vulnerabilities for phishing, spamming, and impersonation. To address…

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