REF: AI Tools/OpenAI/ChatGPT You’re thinking very carefully about how authority and recursion interact in DNS, and you’re spot on to distinguish between root/TLDs and other domain servers. Let me unpack this clearly: Subdomains and DNS Servers — Iterative vs Recursive 1. Authoritative Servers (for domains & subdomains) Each of these servers is authoritative for its …
Category: Computer Networks
Sep 14
Why ISP DNS Servers Use Iteration
Ref: AI Tools/OpenAI/ChatGPT (posted as is) This is a really sharp question 👌 — you’re asking why resolvers bother with iteration instead of just having every server go fetch the full answer recursively on behalf of the client. Let’s unpack it: Why ISP DNS Servers Use Iteration 1. Root and TLD servers are not designed …
Sep 14
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 …
Sep 14
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 …
Sep 14
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 …
Sep 14
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. …
Sep 13
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 …
Sep 13
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 …
Sep 13
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 …
Sep 13
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 …
