Category: Name Servers

DNS flood attacks are a particularly disruptive form of Distributed Denial-of-Service (DDoS) attack that targets the Domain Name System infrastructure, with a specific focus on name servers. These attacks aim to overwhelm DNS servers with a massive volume of requests, effectively exhausting their processing capacity and bandwidth to the point where legitimate queries cannot be…

Domain hijacking is one of the most damaging threats an organization can face in the digital landscape, and the security of name servers plays a central role in preventing such incidents. At its core, domain hijacking involves the unauthorized control or redirection of a registered domain name, often through exploitation of weaknesses in DNS configuration,…

Administering name servers is a foundational responsibility for system and network administrators tasked with maintaining reliable DNS infrastructure. Name servers are at the heart of every internet service, translating domain names into the IP addresses required for communication between devices and services. Because of their critical role in the functionality and availability of websites, applications,…

Latency in name server queries plays a crucial role in the overall responsiveness of online services. Every time a user accesses a website, initiates an application session, or performs virtually any network-based action, a DNS lookup is one of the first steps in the process. The time it takes for a name server to respond…

The Domain Name System is one of the most fundamental components of the internet, translating domain names into IP addresses so that users can connect to websites, services, and applications. However, despite its critical importance, the original design of DNS did not include mechanisms for validating the authenticity or integrity of the information it provided.…

Configuring a BIND name server from scratch is a foundational skill for system administrators who manage domain infrastructure and require full control over DNS operations. BIND, which stands for Berkeley Internet Name Domain, is the most widely used DNS server software on the internet. It offers powerful features, extensive customization, and support for both authoritative…

As digital services expand and the global user base for websites, applications, and connected devices grows, the infrastructure supporting these services must scale proportionally. Among the most critical components of this infrastructure are name servers, which handle the essential function of translating domain names into IP addresses through the Domain Name System. When DNS traffic…

The Domain Name System is a critical component of the internet, serving as the mechanism that resolves human-readable domain names into machine-readable IP addresses. At the heart of this system are name servers, which are responsible for providing authoritative responses to queries about a domain’s DNS records. While name server configuration may appear straightforward, even…

In the domain name system ecosystem, the decision to use public or private name servers is one that significantly affects how a domain is managed, how it performs, and how secure it is. While both types of name servers serve the fundamental purpose of resolving domain names into IP addresses, the differences between public and…

The Domain Name System has long served as the backbone of internet navigation, silently translating human-readable domain names into machine-usable IP addresses. Traditionally, DNS queries and responses have been sent in plaintext over UDP or TCP, making them visible to any entity capable of monitoring network traffic. This inherent lack of privacy became a growing…