What is DDNS and why do I need it?



What is DDNS and why do I need it?..

Answer / ali.com


Dynamic DNS (described in RFC 2136) allows servers to
dynamically update and create records in DNS. Dynamic DNS is
used by the Exchange server to create server records and other
entries used by the Exchange Servers for things like message
routing. In a simple Exchange organization, DDNS is not
strictly necessary, but makes administration much easier.

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