Dynamic Domain Name System 

Dynamic Domain Name System or DDNS is the method of automatically updating a name server in the DNS. It mostly happens in real-time. The information is usually sent by the DHCP or Dynamic Host Configuration Protocol. 

Advantages:

The advantages of DDNS are as follows:

1. It saves time as the work needed to update addresses upon network configuration changes doesn’t need to be done manually. 
2. It saves space. 
3. It does not affect the accessibility of the users.
4. It is comfortable for the users as the change in IP address does not affect their activities. 

Disadvantages:

The disadvantages of DDNS are as follows:

1. It is less reliable.
2. DDNS cannot guarantee the device you are trying to connect to is your own.

Uses

The uses of DDNS are as follows:

1. It is used for internet access.
2. It is used for security appliance manufacturing.

Reference

Dynamic Domain Name System