Category: DNS Resilience

Service discovery is a fundamental aspect of microservices architectures, allowing distributed applications to dynamically locate and communicate with one another without relying on static configurations. As modern applications grow in complexity, with services deployed across multiple hosts, containers, and cloud environments, the need for an efficient and resilient service discovery mechanism becomes increasingly critical. DNS…

DNS lookups are an essential function in network troubleshooting, diagnostics, and performance monitoring. When a user enters a domain name into a browser, DNS lookups occur in the background to translate that domain into an IP address that allows communication over the internet. While this process is normally invisible to end users, system administrators, network…

The evolution of edge computing and the proliferation of Internet of Things devices have fundamentally changed the way data is processed and transmitted across networks. Traditional cloud-based architectures, which rely on centralized data centers, are increasingly being complemented or replaced by decentralized computing models that move processing closer to the source of data generation. This…

DNS-over-HTTPS has emerged as a powerful solution for enhancing the privacy and security of DNS resolution by encrypting queries and responses within standard HTTPS traffic. Traditionally, DNS queries have been transmitted in plaintext, making them vulnerable to interception, manipulation, and surveillance by internet service providers, attackers, or state-sponsored entities. DoH addresses these vulnerabilities by securing…

Ensuring the security of web communications is a continuous challenge in an internet landscape where threats such as man-in-the-middle attacks, domain spoofing, and downgrade attacks are prevalent. One of the mechanisms designed to enhance the security of web traffic is HTTP Strict Transport Security, a policy that enforces HTTPS connections to prevent unencrypted communication between…

The security of the Domain Name System is crucial for maintaining a stable and resilient internet, yet it remains a frequent target for cybercriminals and state-sponsored attackers. DNS serves as the backbone of internet communication, making it an attractive vector for malicious activities such as phishing, malware distribution, botnet command and control, and distributed denial-of-service…

DNS resilience is a cornerstone of internet infrastructure, ensuring that domain names are reliably resolved to their corresponding IP addresses. However, DNS infrastructure is not immune to disruption, and regional DNS outages can have far-reaching consequences. These outages, which affect a specific geographic area or a particular network, can disrupt access to websites, applications, and…

DNS management is a fundamental aspect of maintaining the stability, security, and efficiency of internet infrastructure. As modern applications and networks become more dynamic, the need for real-time updates, automated failover, and efficient domain configuration grows significantly. Traditional manual DNS management processes, which involve logging into control panels, making manual record updates, and propagating changes,…

DNS query privacy has become an increasingly important topic as concerns about surveillance, tracking, and data leakage grow in the digital age. The fundamental role of DNS in resolving domain names into IP addresses makes it a critical component of internet communication, but it also introduces privacy risks. Traditionally, DNS queries are sent in plaintext,…

The interaction between DNS and Network Address Translation is a fundamental aspect of modern networking, enabling seamless connectivity between private and public IP spaces. As organizations, data centers, and cloud environments increasingly rely on private addressing schemes to conserve IPv4 space and enhance security, DNS plays a crucial role in ensuring that internal and external…