Linkskey LKR-604 - Manual (Page 38)

LKR-604
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DNS
The Domain Name System (DNS) manages the translation of a
domain name into an IP address, and vice versa that of an IP
address into a domain name
.
Your ISP should provide one or more DNS Server IP addresses, type
those IP addresses in the Primary DNS address and Secondary DNS
address fields, the LKR-604 Broadband Router will utilize these
simultaneously for quicker access to functioning DNS Servers.
Dynamic DNS
The Dynamic DNS feature allows you to host a server (Web, FTP,
Game Server, etc.) using a host name with your dynamically assigned
IP address. Most Broadband Internet Service Providers assign dynamic
IP addresses. When you use a Dynamic DNS service provider, your
friends can enter your host name to connect to your server, no matter
what your IP address is.