The Domain Name System (DNS)

In our previous article, we explored the relationships between Registrars, Registries and DNS. In this article, we will dive deeper into the world of DNS. The art of Routing Web Requests (Hello DNS) DNS stands for Domain Name System (DNS), you might hear it used interchangeably with Domain Name Server (DNS). It is the mechanism…

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Automated Attacks Against WordPress Target Old Vulnerabilities

There is no denying WordPress’ dominance on the web. It’s used by almost every major organization in the world, and is the platform of choice for a lot of first time entrepreneurs. And if you ever want confirmation, just look at what hosting companies are focusing on. They all dedicate countless resources to streamlining its…

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The Importance of Asset Monitoring

When we manage multiple assets, we must know what we have and their state. This is especially true when managing complex web ecosystems. Whether they are applications dependent on continuous communication with endpoints, or architectures reliant on multiple origins. At NOC, we don’t specifically talk to inventory management, or discovery, but should be invested in.…

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Using cURL to test the Performance of a Website

cURL is an amazing tool (available by default on Macs and Linux) that allows an administrator to remotely transfer data and most commonly used against URLs (i.e., websites). Think of it as a terminal-based browser that doesn’t try to parse the HTML. For example, if you want to get the HTML content for noc.org, all…

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We love to dig (DNS troubleshooting)

We spend a lot of time with DNS, we’re constantly having to investigate issues, analysis outputs, or just try to understand what is going on. When troubleshooting DNS, the best tool is the dig command. Dig comes by default on most Linux distributions and on MacOS (sorry Windows users, you are stuck with nslookup by…

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Registries, Registrars and DNS

NOC.org is a collection of networking tools and services that are designed to make a network administrators life just a tad bit easier. At it’s core is an Authoritative DNS service. Great! But what exactly is an authoritative DNS service? Before we can answer that question, we have take a few steps back and provide…

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