Updating dns server

A record: Maps hostnames to the IP address of the host.

For example, the A record for points the domain at .30.

DNS caching: DNS caching is the length of a time that a DNS server will retain existing DNS records before checking for updates.

The length of time that records are cached is usually determined by the TTL (see definition below) set by the authoritative name server, but some Internet Service Providers may have their DNS servers set to cache records for a longer period of time.

In a nutshell, the Domain Name System (referred to as DNS) translates human readable domain names into IP addresses.

DNS, domain name server, domain name system, and name server all refer to the same general service.

The website IP address is returned to your computer and this enables you to load the website in your browser.

Editing your hosts file should be done with extreme caution.

If you change your hosts file to point .30, for example, then your computer will ALWAYS use .30 for

They are the primary source for your domain records.

Now that your Internet provider has found the authoritative name server, it is able to get the IP address for the domain.

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