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What is dynamic domain name resolution? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

It maps the dynamic IP address of the user to a fixed domain name resolution service (DDNS). Every time the user connects to the network, the client program will transmit the dynamic IP address of the host to the server program located on the host of the service provider. The service program is responsible for providing DNS service and implementing dynamic domain name resolution.

Resolution service:

DDNS captures the IP address that the user changes each time, and then corresponds it to the domain name, so that the domain name can always be resolved to the non-fixed IP server. Internet users can obtain the IP address of the website domain name through the local domain name server, so that they can access the services of the website.

Parsing process:

Dynamic domain name resolution system generally consists of two parts. The first part is the server-side program, which is located on the host of the service provider. The other part is the client program, which runs on the host of the majority of users.

Every time the client program connects to the network, the client program transmits the dynamic IP address of the host to the server program located on the host of the service provider. The server program is responsible for providing DNS services and realizing dynamic domain name resolution. After receiving the notification from the client, the server program immediately updates the data and binds the new IP address with the original fixed domain name, thus completing the dynamic domain name resolution service. Others can also access your server through the domain name.

How it works:

The function of dynamic domain name service is to realize the resolution from fixed domain name to dynamic IP address. Every time users get a new IP address on the Internet, they have to apply to DNS to update the domain name resolution database; while the user is online, when others on the Internet want to access the domain name, the dynamic domain name resolution server will return the correct IP address. When a user goes offline, DNS should disable the service of the domain name to avoid confusion caused by the reuse of the same IP address.

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