Domain Name System (DNS)

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When you want to visit a website you type a website address in the address bar of your web browser. At this point your web browser makes a inquiry to Domain Name System (or DNS). This is how becomes a request to a server on the Internet with IP address.

DNS is needed for any website to operate propertly – without DNS visitors would need to memorise cryptic number sequences.

As a website owner you need to ensure your DNS is configured and operational at all times – if it is misconfigured or if it is not working properly – people won’t be able to visit your website.

In addition DNS is used for e-mail delivery and some other services.