Monitoring Archives - internet-eireann.ie

The Ultimate Guide to DNS Monitoring for Businesses

Sep 12, 2024 Igor

Tags: A record, CNAME record, Cron-Job Monitoring, DNS attack, DNS cache poisoning, DNS Hijacking, DNS Monitoring, DNS Monitoring service, DNS propagation, DNS query, DNS record, DNS resolution, Domain Name System, Domain Name System Monitoring, IP address, MX record, SSL/TLS Certificate Monitoring, TCT record, TTL

In today’s digital world, Domain Name System (DNS) plays a pivotal role in connecting users to websites, services, and online resources. A robust DNS infrastructure is critical for businesses to ensure seamless online operations, high performance, and protection against potential attacks. DNS monitoring is essential to maintain the health, speed, and security of DNS services. In this guide, we will explore DNS, DNS monitoring, its importance, key metrics to monitor, common DNS issues, and how DNS monitoring integrates with other types of system checks, like cron-job and uptime monitoring.

DNS – Explained

The Domain Name System (DNS) is a hierarchical naming system that translates human-readable domain names (like www.example.com) into machine-readable IP addresses (like 192.168.1.1). When users type a URL into their browser, DNS servers are responsible for resolving that URL into the appropriate IP address, enabling computers to connect to the desired website or service.

UDP monitoring explained for beginners

Jun 29, 2023 Igor

Tags: UDP monitoring, User Datagram Protocol, User Datagram Protocol Monitoring

In the realm of networking, monitoring plays a pivotal role in maintaining optimal performance and reliability. As a beginner, it’s important to grasp the fundamentals of various protocols, including the User Datagram Protocol (UDP), and understand how monitoring can enhance network management. In this beginner’s guide, we will delve into UDP monitoring, its significance, and the best practices to ensure efficient network operations.

Understanding UDP

User Datagram Protocol (UDP) is a connectionless transport layer protocol that facilitates the transmission of data across IP networks. Unlike TCP (Transmission Control Protocol), UDP does not establish a dedicated connection between the sender and receiver. Instead, it focuses on delivering datagrams or packets of information without guaranteeing their arrival or maintaining their order.