DNS (Domain Name System) is the system that translates domain names into server IP addresses. It works like the phone book of the internet: you type the name, DNS finds the right number.
In short
- Computers find each other by IP address; people remember domain names.
- DNS turns a name such as yourdomain.com into an address such as
192.0.2.10. - Your domain's DNS records are kept on the server named in its NS addresses.
What happens when you open a website?
- You type yourdomain.com into your browser.
- Your computer asks your internet provider's DNS server for the IP address of that name.
- If the answer is not cached, the DNS server asks the authoritative server listed in the domain's NS addresses (for webevi customers
dns1.webevi.com). - The authoritative server returns the IP address and your browser connects to the server hosting the site.
This usually takes a tiny fraction of a second.
More articles about DNS
- DNS Record Types: What Are A, AAAA, CNAME, MX and TXT?
- How Do I Change My Domain's NS Addresses?
- What Is DNS Propagation and Why Does It Take 24-48 Hours?
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