What Is DNS?
DNS (Domain Name System) is the internet's address book. It translates the human-friendly domain you type — such as progressiverobot.com — into the numerical address computers use to find the right server.
It matters because without DNS working correctly, visitors cannot reach your site or receive your email. DNS changes also sit behind moving to new hosting or setting up new services.
An Everyday Analogy
DNS is like the contacts list on your phone. You tap a name rather than remembering the number; DNS looks up the name and connects you to the right address behind the scenes.
- You type a domain name.
- DNS finds the matching server address.
- Your browser connects to that server.
- The page loads — all in a fraction of a second.
Why It Matters to You
DNS settings control where your website and email actually point, so they need careful handling.
- Mistakes can take a site or email offline.
- Changes can take a little time to spread worldwide.
- It governs both your website and your email delivery.
- Good management makes hosting moves smooth and safe.
Frequently Asked Questions
Why did my site not change the moment we updated DNS?
DNS changes propagate gradually across the internet, so it can take from minutes to a day for everyone to see the update.
If you need a hand with any of this, your Progressive Robot delivery team is ready to help. Raise a ticket from the Support area of your client portal or speak to your account manager and we will guide you through the next steps.