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Dynamic DNS is the same concept as DNS, but applies to a periodically varying, or “dynamic”, WAN IP. Additionally, while a DNS server helps us reach a remote party, such as a website or a streaming service, Dynamic DNS is often used in the opposite direction—when we want to dial home while out and about. The majority of home broadband plans don’t include a static WAN IP—it’s expensive to have a fixed WAN IP address that remains the same at all times, which makes DDNS a much-needed feature when you want to use your home as an online destination for outside parties, including you when traveling,