Topfield TRF-7260 User Reference page 51

Your router may be assigned to a dynamic IP address by an Internet
service provider. So if the router has rebooted, you cannot access it
unless someone in your home can inform you of the changed IP ad-
dress. However, many routers support Dynamic Domain Name Sys-
tem (DDNS) service, which can settle this problem. The following im-
age is an example of one such DDNS service provider.
If you use a DDNS service, you can access your router with a domain
name. The instructions on how to use the DDNS service are as follows:
1. Make an account on a web site providing DDNS service, which
should be supported by your router.
2. Configure your router with the account so that it can commu-
nicate with the web site.
Whenever a new dynamic IP address is assigned to the router, it will
8.1 Configuring the router 43