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

DDNS Server Administrator Help

Cache Times Tab

Use the Cache Times tab of the Host Notebook to specify the time-to-live (TTL) values for the host, that is, the maximum number of seconds that particular types of host resource records will be cached at a caching server. 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:

Host name cache time
Specifies the maximum amount of time, in seconds, that the host name, which is stored in the address (A) 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 of the Primary Domain Notebook is to be used.

IP address cache time
Specifies the maximum amount of time, in seconds, that the IP address, which is stored in the pointer (PTR) resource record, is to be cached. The IP address is used if reverse mapping is in effect for this domain. To specify a time, you must uncheck the Use Domain Default Cache Time check box.

Note:

This tab is used only for hosts in a primary domain.

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

Text cache time
Specifies the maximum amount of time, in seconds, that the text information, which is stored in the text (TXT) 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 of the Primary Domain Notebook is to be used.

Mail exchange cache time
Specifies the maximum amount of time, in seconds, that the mail exchange information, which is stored in the mail exchange (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 of the Primary Domain Notebook is to be used.

Platform cache time
Specifies the maximum amount of time, in seconds, that the platform information, which is stored in the host information (HINFO) 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 of the Primary Domain Notebook 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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