13 Facts About Dynamic DNS

Dynamic DNS is a method of automatically updating a name server in the Domain Name System, often in real time, with the active DDNS configuration of its configured hostnames, addresses or other information.

The first is "dynamic DNS updating" which refers to systems that are used to update traditional DNS records without manual editing.

The first implementations of dynamic DNS fulfilled this purpose: Host computers gained the feature to notify their respective DNS server of the address they had received from a DHCP server or through self-configuration.

Dynamic DNS is based on a distributed database that takes some time to update globally.

When Dynamic DNS was first introduced, the database was small and could be easily maintained by hand.

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Dynamic DNS is a system that addresses the problem of rapid updates.

Term DDynamic DNS is used in two ways, which, while technically similar, have very different purposes and user populations.

The first is standards-based DDynamic DNS, which uses an extension of the Dynamic DNS protocol to ask for an update; this is often used for company laptops to register their address.

Dynamic DNS addresses are generally given only to residential customers and small businesses, as most enterprises specifically require static addresses.

In Microsoft Windows networks, dynamic DNS is an integral part of Active Directory, because domain controllers register their network service types in DNS so that other computers in the domain can access them.

Dynamic DNS providers offer a software client program that automates the discovery and registration of the client system's public IP addresses.

Dynamic DNS is an expected feature or even requirement for IP-based security appliances like DVRs and IP cameras.

Resources for the development of custom DDynamic DNS services are generally limited and involve a full software development cycle to design and field a secure and robust DDynamic DNS server.