jhon6
Joined: 31 Oct 2012
Posts: 11
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 Posted: Wed Oct 31, 2012 1:46 pm Post subject: Dynamic DNS |
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Dynamic DNS or DDNS is a method of updating, in real time, a Domain Name System (DNS) to point to a changing IP address on the Internet. This is used to provide a persistent domain name for a resource that may change location on the network.
There are two very different mechanisms the term is used to describe. At the administration levels of the internet, "dynamic DNS updating" refers to systems that are used to update traditional DNS records without manual editing. These mechanisms are explained in RFC 2136 and use the TSIG mechanism to provide security. The second sort of DDNS is a particular type of DNS server that allows lightweight and immediate updates to its local database, often using a web-based form. These are used by individuals and small systems.
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