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Posted by / 08-May-2018 07:06

Updating dns server

To fix this problem the concept of Primary and Secondary Name Servers (many systems allow tertiary or more Name Servers) was born.

If the Primary Name Server does not respond a host can use the Secondary (or tertiary etc.).

Resources can be added, moved, changed or deleted at a single location - the Name Server.

At a stroke network management was simplified and made more dynamic.

If you're waiting on DNS scavenging, there's no fast way to do it.# In the case of the g TLDs, such as .com, etc., the user part of the delegated name - the name the user registered - is a Second Level Domain (SLD). The user part is therefore frequently simply referred to as the SLD.So the the Domain Name in the example above can be re-defined to consist of: The term Second Level Domain (SLD) provides technical precision but can be confusing when applied to a generic concept like a user domain - unless the precision is required we will continue to use the generic term Domain Name or simply Domain to describe the whole name, for instance, what this guide calls a Domain Name would be or uk.As our network grows we start to build up a serious number of Names in our Name Server (database). Which leads us nicely into the characteristics of the Internet's Domain Name System (DNS).The Internet's Domain Name Service (DNS) is just a specific implementation of the Name Server concept optimized for the prevailing conditions on the Internet.

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A DNS (Domain Name Service) acts like a phonebook, keeping a log of domain names, then turning them into an IP address.