TCP/IP Information
Copyright © 1997 by International Business Machines Corporation

DDNS Server Administrator Help

Cache Times Tab

Use the Cache Times tab of the Primary Domain Notebook to specify the time-to-live (TTL) values, that is, the maximum amount of time that particular types of resource records are to be cached by caching name servers. The value specified for a particular type of resource record is used for a record of that type when the record is created.

The Cache Times tab has these fields and check boxes:

Start of Authority (SOA) cache time
Specifies the maximum amount of time, in seconds, that the SOA resource record is to be cached. To specify a time, you must uncheck the Use Domain Default Cache Time check box.

Use domain default cache time
If a cache time is not specified, indicates that the default cache time specified on the Domain Options tab is to be used.

Name server cache time
Specifies the maximum amount of time, in seconds, that the name server (NS) resource record is to be cached. To specify a time, you must uncheck the Use Domain Default Cache Time check box.

Use domain default cache time
If a cache time is not specified, indicates that the default cache time specified on the Domain Options tab is to be used.

Mail exchange cache time
Specifies the maximum amount of time, in seconds, that the mail exchanger (MX) resource record is to be cached. To specify a time, you must uncheck the Use Domain Default Cache Time check box.

Use domain default cache time
If a cache time is not specified, indicates that the default cache time specified on the Domain Options tab is to be used.

These push buttons are available on the Cache Times tab:

OK
Retains the configuration data in this notebook and closes the notebook.
Cancel
Cancels any actions taken in this notebook and closes the notebook.
Help
Displays information about the current notebook page.


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