Networking Terms - D
DDNS - Dynamic DNS (Domain Name System)
DDNS is a service that maps Internet domain names to IP addresses. DDNS serves a similar, but not quite the same, purpose to DNS.
DNS - Domain Name System
The Domain Name System (DNS) translates Internet domain and host names to IP addresses. DNS automatically converts the names we type in our Web browser address bar to IP addresses of the Web servers hosting those sites.