DNS/DHCP Management Console
DNS Server Objects
A DNS server enables DNS name to IP address and IP address to DNS name resolution.
To access DNS Server object property pages, select a DNS Server object from
the bottom panel of the utility window.
Zones. Use this tab to view the list of zones serviced by this server
and to view its IP addresses, etc.
- Zone list. This non-editable field lists the zones serviced
by this server and the role of this server for each zone.
- DNS server IP address. This non-editable field lists the IP addresses
of this server
- DNS Server Domain Name. This field displays the domain name of this
DNS server on which it listens on for queries.
- Comments. Use this field to enter some additional information about
this server. This is an optional field.
- Forwarding List. Specifies the IP addresses of DNS servers to which
queries are forwarded from this server, when it is unable to resolve queries
from an authoritative data or cache. Unresolved queries are sent to these
servers before they are sent to root servers. This field is related to Forward
option.
To add an IP address, click Add. To delete an IP address, select the IP address
and click Delete.
- No-Forward List. Specifies a list of domain names whose unresolved
queries will not be forwarded to other DNS servers.
To add a domain name, click Add. To delete a domain name, select the domain
name and click Delete.
Options. Use this tab to enable audit trail, event logging, etc. for
the server.
- Events Log. Use this field to set the level of events logging to
None, Major Events, or All. The event log specifies the degree of event data
the server is to collect. The event log must be set to Major events or All
to collect data. To view the events log, select the Server object, then click
View Events/Alerts from the toolbar.
- Enable Audit Trail Log. Check this option to enable audit trail logging.
To view the audit trail log, select the Server object, then click View Audit
Trail Log from the toolbar.
SNMP Trap Options.
Control Lists. Use this tab to specify the Access Control to the server.
To add a value to the list, click Add. To remove an item from the list, select
the item and click Delete.
- Zone Out Filter. Specifies a list of IP addresses or networks that
are authorized to do a zone transfer from this DNS server. If no value is
specified, queries from all the hosts are allowed.
- Allow Recursion List. Specifies a list of IP addresses or networks
that can submit recursive DNS queries for this server. Recursion can be disabled
by specifying a value of none. If no value is specified, recursive queries
from all hosts will be answered. The value specified remains in effect only
if the recursion value is set
to Yes. If set to No, recursive queries will not be allowed from any host.
- Query Filter List. Specifies a list of IP addresses or networks that
are authorized to query the DNS server. If there is no IP address specified,
queries from all the hosts are allowed.
- Also Notify. Specifies a list of IP addresses of name servers that
receive a Notify message whenever a fresh copy of the zone is loaded.
- Blacklisted Server List. Specifies a list of IP addresses of the
servers that are disapproved. The DNS server will not answer queries from or forward queries to the servers listed here.
Advanced. Use this tab to specify additional
global server and zone options.
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