Category: DNS Resilience

DNSSEC validation is a crucial process that ensures the authenticity and integrity of DNS responses, protecting users from threats such as cache poisoning, domain hijacking, and man-in-the-middle attacks. When a recursive resolver performs a DNSSEC validation check, it follows a structured cryptographic verification process to confirm that the response received from an authoritative DNS server…

DNS resolvers play a critical role in translating human-readable domain names into IP addresses, enabling seamless communication across networks. The choice between public and private DNS resolvers significantly impacts performance, security, privacy, and resilience, making it essential for organizations and individuals to understand the differences between these two approaches. While public DNS resolvers offer accessibility,…

DNS is one of the most critical components of internet infrastructure, enabling seamless communication between users and online services. However, its fundamental role also makes it a prime target for cybercriminals seeking to disrupt, manipulate, or exploit the domain name system for malicious purposes. Over the years, several high-profile DNS-related cyber attacks have demonstrated the…

DNS query resolution is fundamental to how the internet operates, enabling users to access websites and online services without needing to memorize IP addresses. The way DNS queries are processed can significantly impact performance, security, and resilience. Two primary methods of handling DNS queries are forwarding and recursion, each serving different purposes and offering distinct…

DNS plays a crucial role in certificate transparency by providing a mechanism for domain owners, security researchers, and certificate authorities to verify and monitor digital certificates issued for their domains. Certificate transparency is a security framework designed to improve trust in the public key infrastructure by making the issuance of SSL/TLS certificates publicly auditable. It…

DNS is a fundamental component of an organization’s network infrastructure, ensuring that domain names are correctly resolved into IP addresses to facilitate online communication and service availability. For small and medium-sized businesses and startups, implementing a resilient DNS strategy is essential for maintaining uptime, optimizing performance, and safeguarding against cyber threats. While larger enterprises have…

DNS is a foundational component of enterprise network infrastructure, responsible for ensuring seamless communication between internal and external services. Designing and deploying a resilient, scalable, and secure DNS architecture is essential for maintaining uptime, optimizing performance, and protecting against cyber threats. Enterprise networks require a DNS strategy that accounts for redundancy, security, compliance, and efficient…

DNS resolution is a fundamental part of internet browsing, enabling domain names to be translated into IP addresses so users can access websites and online services. While DNS resolvers and operating systems handle much of the caching to improve performance and reduce query load, modern web browsers also incorporate their own DNS caching mechanisms. Browser…

DNS plays a crucial role in internet infrastructure, enabling the resolution of domain names into IP addresses and facilitating communication between users and online services. As businesses and organizations handle increasing amounts of user data, regulatory frameworks such as the General Data Protection Regulation and the California Consumer Privacy Act impose strict requirements on how…

DNS plays a critical role in directing traffic across distributed networks, and one of its lesser-known but highly effective functions is acting as a load balancer. By leveraging DNS-based techniques to distribute query responses across multiple servers, organizations can optimize performance, ensure redundancy, and improve the resilience of web applications and network services. Unlike traditional…