Configure Network Services - MCSA Windows Server 2012 R2: Installation and Configuration Study Guide - page 111

DNS servers used for that adapter. Table 2.8 shows some command-line options available
with ipconfig .

Table 2.8 Command-line options available for the ipconfig command

Command What It Does

ipconfig /all Displays additional information about DNS, including the

FQDN and the DNS suffix search list.

ipconfig /flushdns Flushes and resets the DNS resolver cache. For more informa-

tion about this option, see the section “Configuring DNS” ear-
lier in this chapter.

Displays the contents of the DNS resolver cache. For more
information about this option, see the section “Configuring
DNS” earlier in this chapter.

ipconfig /displaydns

Refreshes all DHCP leases and registers any related DNS
names. This option is available only on Windows 2000 and
newer computers that run the DHCP client service.

ipconfig /registerdns

You should know and be comfortable with the ipconfig commands
related to DNS for the exam.

Using DNSCmd
DNSCmd allows you to display and change the properties of DNS servers, zones, and resource
records through the use of command-line commands. The DNSCmd utility allows you to
modify, create, and delete resource records and/or zones manually, and it allows you to
force replication between two DNS servers.
Table 2.9 lists some of the DNSCmd commands and their explanations.

Table 2.9 DNSCmd command-line options

Command Explanation

dnscmd /clearcache

Clears the DNS server cache

dnscmd /config

Resets DNS server or zone configuration

dnscmd /createdirectorypartition Creates a DNS application directory partition

dnscmd /deletedirectorypartition Deletes a DNS application directory partition

dnscmd /enumrecords

Shows the resource records in a zone