Category: DNS Resilience

DNS logging and monitoring play a crucial role in maintaining the resilience, security, and efficiency of the Domain Name System. Given that DNS serves as the foundation of internet communication, ensuring its integrity and availability is essential for businesses, service providers, and cybersecurity teams. DNS logs provide valuable insights into query patterns, traffic volumes, and…

DNS plays a crucial role in email delivery and security by determining how emails are routed, verified, and protected from threats such as spam, phishing, and domain spoofing. Every time an email is sent, multiple DNS lookups occur to ensure that the message reaches the intended recipient while maintaining security and compliance. Without a properly…

GeoDNS is an advanced DNS-based traffic routing technique that enhances content delivery by directing users to the closest or most optimal server based on their geographic location. This approach is essential for improving website performance, reducing latency, and ensuring high availability for global audiences. By intelligently resolving DNS queries with location-aware responses, GeoDNS enables businesses,…

Building your own DNS infrastructure offers a high level of control, security, and resilience for individuals and organizations that require custom configurations, privacy, and performance optimization. While many rely on third-party DNS providers, setting up a private DNS server allows for complete autonomy over domain name resolution, enhanced security, and the ability to mitigate risks…

The performance and availability of content delivery networks depend heavily on DNS infrastructure, as DNS plays a fundamental role in directing users to the most efficient edge server within a CDN. When a user requests content from a website or an application utilizing a CDN, DNS resolution determines which edge server is selected to deliver…

DNS is a fundamental component of networking in virtualized and containerized environments, ensuring that services can dynamically discover and communicate with one another efficiently. As organizations continue to adopt cloud-native architectures, virtualization, and containerization, traditional DNS configurations must evolve to accommodate the complexities of dynamic workloads, ephemeral instances, and service-based deployments. A resilient DNS infrastructure…

DNS issues can cause widespread connectivity problems, slow website performance, and disruptions to critical online services. Because DNS is responsible for resolving human-readable domain names into machine-readable IP addresses, any failure in the resolution process can prevent users from accessing websites, applications, or email services. Identifying and resolving DNS problems quickly is essential for maintaining…

DNS policy management plays a crucial role in ensuring the security, reliability, and compliance of an organization’s DNS infrastructure. As the foundation of internet connectivity, DNS is responsible for resolving domain names to IP addresses, directing users to the correct resources, and enforcing security policies to protect against cyber threats. Without a well-defined DNS policy…

DNS is one of the most critical components of internet and network infrastructure, serving as the backbone of communication, access control, and service availability. While external threats such as distributed denial-of-service attacks and cache poisoning are well-known risks, insider threats pose an equally significant challenge to DNS resilience. Malicious or negligent insiders, including employees, contractors,…

DNS load testing is an essential practice for evaluating the resilience, performance, and scalability of DNS infrastructure under high query volumes and unexpected stress conditions. As the backbone of internet connectivity, DNS must handle thousands or even millions of queries per second while maintaining low latency and high availability. Without rigorous load testing, organizations risk…