Category: Computer Networks

Who Resolves DNS Queries: ISP, Resolver, or Your PC?

Great question 👌 — this gets into the roles of DNS components in the real world. Let’s break it down clearly, blog-ready and copyright-free: Who Resolves DNS Queries: ISP, Resolver, or Your PC? When you sit at home and connect to the internet through your ISP, different systems can play the role of resolver or …

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Iterative vs. Recursive DNS Resolution

REF: AI Tools/Open AI/ChatGPT (posted as is) “Perfect follow-up 👍 — here’s a blog-ready, copyright-free comparison of Iterative vs. Recursive Resolution in DNS: Iterative vs. Recursive DNS Resolution When you enter a domain name like www.example.com, your computer needs its IP address to connect. There are two main ways DNS queries can be resolved: Iterative …

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Iterative DNS Resolution Explained

Got it 👍 — here’s a blog-ready, copyright-free explanation of Iterative Resolution in DNS that you can publish directly. Iterative DNS Resolution Explained When you type a domain name like www.example.com into your browser, the system needs to translate it into an IP address. One way this happens is through iterative resolution. What is Iterative …

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DNS Caching Explained: How It Works, Pros, and Cons

Ref: AI Tools/OpenAI/ChatGPT (posted as is) “ Absolutely 👍 — here’s a blog-ready, copyright-free post on DNS caching with explanation, how it works, pros, and cons. DNS Caching Explained: How It Works, Pros, and Cons When you visit a website like www.example.com, your computer asks the Domain Name System (DNS) to find its IP address. …

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How an IP Address Gets Resolved to a Name in DNS

REF: AI Tools/OpenAI/ChatGPT Great question 👍 — let’s turn this into a blog-ready, copyright-free post explaining step by step how an IP address gets resolved to a name (reverse lookup) and how the DNS servers, root servers, and TLD servers take part. How an IP Address Gets Resolved to a Name in DNS Most people …

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Understanding DNS on the Internet: Generic, Country, and Inverse Domains

Ref: AI Tools/OpenAI/ChatGPT Got it 👍 — here’s a blog-ready, copyright-free article explaining DNS on the Internet, including generic domains, country domains, and the inverse domain. Understanding DNS on the Internet: Generic, Country, and Inverse Domains The Domain Name System (DNS) is often called the “phonebook of the Internet.” It translates human-readable names like www.example.com …

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Primary vs. Secondary DNS Servers: What’s the Difference?

Ref: AI Tools/Open AI/ChatGPT “ Primary vs. Secondary DNS Servers: What’s the Difference? When you type a website name like www.example.com into your browser, the Domain Name System (DNS) works behind the scenes to translate that name into an IP address. To make DNS reliable and efficient, domains are usually served by at least two …

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Understanding DNS Root Servers: The Internet’s Ultimate Directory

Ref: AI Tools/OpenAI/ChatGPT The Domain Name System (DNS) is how computers translate human-friendly names like www.example.com into IP addresses. At the very top of this system are the root servers — the backbone of DNS. What Are Root Servers? Root servers are special DNS servers that sit at the top of the DNS hierarchy. They …

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Partially Qualified Domain Name (PQDN)

Ref: OpenAI/AI Tools/ChatGPT Absolutely! Here’s a polished, blog-post-ready version of your explanation on PQDNs: “Understanding Partially Qualified Domain Names (PQDN) in DNS When working with DNS, you may have heard about Fully Qualified Domain Names (FQDN) and Partially Qualified Domain Names (PQDN). While FQDNs specify the complete path to a resource, PQDNs are shorter, partial …

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Understanding the Hierarchical DNS System: Domains, Subdomains, and FQDNs

Ref: OpenAI/AI Tools/ChatGPT “ Absolutely! Here’s a blog-post-ready explanation of DNS hierarchy including FQDNs with examples. I’ve structured it for clarity, SEO readability, and easy understanding. Understanding the Hierarchical DNS System: Domains, Subdomains, and FQDNs The Domain Name System (DNS) is the backbone of how we navigate the internet. It’s a hierarchical naming system that …

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