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Modify Primary Domain Name Servers
This window allows you to modify a primary domain name server.
This window contains the following fields:
Domain Name
This read-only field specifies the domain name of the DNS server
being modified.
Primary Server Hostname
This read-only field specifies which host is the primary domain name
server.
Network I.P. Numbers
This read-only field specifies the network I.P. Address of the
subnets the DNS server will manage within the domain.
Dir. for DNS database files
This read-only field specifies the full directory pathname for the DNS
database files.
Pathname to DNS config. files
This read-only field specifies the full pathname for the named.boot file.
This file is used by the BIND daemon to locate the DNS configuration
files at system start-up.
Administrator e-mail address
Use this field to specify the DNS administrator's email address.
Database serial number
Use this field to enter the serial number associated with the DNS
database. The default serial number is 1 (one). This serial number
is incremented every time the primary database is altered.
DNS database refresh frequency
You can use this field to choose how often the secondary DNS
database serial numbers are checked against the primary DNS database
numbers. If the serial numbers are different, the secondary DNS
updates itself. The default value is every three hours.
DNS query retry frequency
You can use this field to choose how frequently the secondary DNS
server will attempt to reconnect with the primary DNS server if the
initial contact with the primary server failed. The default value is
every hour.
DNS data expiry
You can use this field to choose the maximum time the hostname and
IP address information will live in a secondary server when the
Primary server is unreachable. The default value is one week.
Minimum TTL
You can use this field to choose the maximum time a cached hostname
and IP address will live in a DNS server before the secondary server
contacts the primary server to resynchronize the data. The default
value is one day.
This window contains the following buttons:
Modify
Click on this button to begin the modification the new DNS server.
Cancel
Click on this button to close the window without making any changes.