Author: Issa Mzwakali

  • What Are Nameservers & Why They Matter

    If you manage a domain — even just one — you’ve probably seen something called nameservers. They might look confusing at first, but they’re one of the most important parts of how your website works.

    This guide explains what nameservers are, why they matter, and how they affect your domain..

    What Are Nameservers?

    Nameservers are the computers that tell the internet where your domain’s DNS records are stored.

    They act like the “traffic directors” for your domain.

    When someone types your domain (like mywebsite.com) into their browser, nameservers help the internet figure out which hosting provider is responsible for delivering your website.

    Common nameserver examples:

    • ns1.yourhostingprovider.com
    • ns2.yourhostingprovider.com

    You usually get at least two nameservers for redundancy.

    What Do Nameservers Do?

    Nameservers point your domain to the correct DNS zone — the place where all your records (A, MX, CNAME, TXT) live.

    Here’s what they control:

    ✔ Website location

    Your A and AAAA records tell the internet where your hosting server is.

    ✔ Email routing

    Your MX records tell email services where to deliver mail.

    ✔ Security settings

    TXT records help with SPF, DKIM, DMARC, and other verifications.

    ✔ Subdomains

    CNAME and A records help your subdomains (like blog.mywebsite.com) resolve correctly.

    Without nameservers, the internet wouldn’t know where your DNS settings are stored — and nothing connected to your domain would work.

    How Nameservers Work

    Here’s the process when someone visits your site:

    1. A visitor enters your domain
    2. Their device checks your domain’s nameservers
    3. Nameservers point to your DNS zone
    4. DNS records inside that zone tell the browser where to go
    5. The website loads

    Nameservers don’t contain your website files — they just show the browser the correct DNS instructions.

    When You Need to Change Nameservers

    You usually need to update nameservers when:

    • You change hosting companies
    • You move your domain to Cloudflare
    • You want DNS to be managed somewhere else
    • You’re using a website builder like Shopify, Wix, or Squarespace

    If your domain points to the wrong nameservers, your:

    ❌ Website won’t load
    ❌ Email may stop working
    ❌ DNS changes won’t apply

    So always double-check them.

    How Long Do Nameserver Changes Take?

    Nameserver changes can take:

    ⏱ 0–24 hours (most are done in 1–4 hours)

    This process is called DNS propagation, and it affects how quickly the internet sees your new nameservers.

    Nameservers play a huge role in how your domain works behind the scenes. They don’t store your website or emails — but they tell the internet where those services live.

    Understanding nameservers means you can:

    ✔ Connect your domain to hosting
    ✔ Move your site without downtime
    ✔ Fix DNS issues confidently

  • What Is DNS & How It Works

    If you’ve ever typed a website address into your browser — like jetdomains.online — and landed on the right page within seconds, you’ve already used DNS.
    Even if you didn’t know it.

    In this guide, we’ll break down what DNS is, why it matters, and how it works in a simple, easy-to-understand way.

    What Is DNS?

    DNS (Domain Name System) is the technology that translates human-friendly domain names (like example.com) into machine-friendly IP addresses (like 192.168.1.1).

    Think of DNS as the internet’s phonebook:

    • You remember the name of the website
    • DNS finds the number (IP address)
    • Your browser uses that number to load the website

    Without DNS, you would have to memorize long sequences of numbers just to visit your favorite sites — no thanks!

    Why Is DNS Important?

    DNS exists to make the internet:

    ✔ Easy to use

    People can type names, not IP addresses.

    ✔ Faster

    DNS servers around the world quickly point every request to the right website.

    ✔ More flexible

    Website owners can change hosting providers, add security tools, or move servers — without changing the domain name.

    ✔ More secure

    DNS supports modern security features like DNSSEC, SPF, DKIM, and DMARC, which protect websites and emails from attacks and spoofing.

    How DNS Works

    When you type a domain into your browser — say mywebsite.com — here’s what happens behind the scenes:

    1. Your device checks its local cache

    Your computer or phone tries to remember if it recently visited the website.

    If it finds the IP address, it loads immediately.

    If not…

    2. Your device asks a DNS resolver

    Usually provided by your ISP or a public service like Google (8.8.8.8), this resolver begins the search.

    3. The resolver asks the Root DNS Server

    The root server doesn’t know the exact IP, but it knows where to look next — the TLD server.

    4. The resolver asks the TLD Server

    Example:

    • .com → managed by Verisign
    • .org → Public Interest Registry
    • .net → Verisign

    The TLD server points to the authoritative DNS server.

    5. The resolver asks the Authoritative DNS Server

    This is where your DNS records are stored.

    It returns the actual IP address of your website’s hosting server.

    6. Your browser connects to the website

    Boom! Your site loads — usually in milliseconds.

    What Are DNS Records?

    DNS uses different types of records to route traffic. The most common ones are:

    • A Record – Connects your domain to an IPv4 address
    • AAAA Record – Connects your domain to an IPv6 address
    • CNAME Record – Points one domain to another
    • MX Record – Handles your email routing
    • TXT Record – Includes verification or security data (SPF, DKIM, etc.)

    These records live in your DNS zone and tell the internet how to reach services connected to your domain.

    How Long Does DNS Take to Update? (DNS Propagation)

    Whenever you change DNS records, the update isn’t instant.

    It can take a few minutes up to 24 hours for updates to spread across global DNS servers.

    This process is known as DNS propagation.

    DNS is a foundational part of how the internet works.
    It turns easy-to-remember names into machine-readable addresses, making websites fast, reliable, and user-friendly.

    Whether you’re managing a domain, connecting hosting, or setting up email — understanding DNS helps you troubleshoot issues and control your online presence with confidence.