Dynamic Updates in DNS

1.What about the Dynamic updates in DNS?

When a client machine or a network node comes online, it automatically gets their names registered in DNS database.


2.How to choose dynamic DNS update during zone setup?

Dynamic updates take place when there is a modification or change done at the client or when we have DHCP server.


There are 2 types of Dynamic updates




Secure Updates:

Useful when we do not want our DNS to maintain outside our network host information.i.e, client machines should be already registered in our domain controller.


Non-secure updates:

DNS gets updated as and when what all the hosts come online get their names registered with DNS server.


Note: Secure updates can occur only when the client machines have their accounts in DC


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