    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.
