DNS Configuration Using the Web UI
This section describes how to configure DNS and DDNS on the web UI.
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Configuring DNS
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After you specify a DNS server address on a device, the device can serve as a DNS client or DNS proxy agent to send domain name resolution requests to a specific DNS server.
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Configuring DDNS
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When a FW serves as a DDNS client, a DNS server dynamically updates the mapping between domain names and IPv4 addresses after being notified by a DDNS service provider. This process ensures that domain names are resolved into correct IPv4 addresses.