Which of the following utilities will you use to identify anomalies of records in the targeted DNS zone?

You work as an Exchange Administrator for UniCom Inc. The company has a Windows 2003 Active
Directory-based network. The network contains an Exchange Server 2007 organization. You have
deployed a DNS server in your messaging organization. The DNS server hosting the DNS zone data
for the Exchange Server is not capable of processing dynamic DNS updates. You decide to
troubleshoot DNS. Which of the following utilities will you use to identify anomalies of records in the
targeted DNS zone?

A.
Nslookup.exe

B.
IPCONFIG

C.
DNSCMD.exe

D.
DNSLint

Explanation:
DNSLint is an utility used to identify anomalies of records in the targeted DNS zone. The examples of
some of the items tested are as follows:
1.Recursive lookup of DNS zone from the Internet
2.Configuration of the SOA record
3.MX records present and resolution tested
4.Active Directory replication issues

Answer C is incorrect. DNSCMD.exe is a command-line tool that performs the same task as the
DNSMGMT.msc MMC performs.

Answer A is incorrect. Nslookup.exe is a troubleshooting utility used to identify name resolution
issues for all record types created within a DNS zone.

Answer B is incorrect. IPCONFIG is a command-line utility that displays the current TCP/IP
configuration, such as the IP address, subnet mask, default gateway, etc. of a networked computer.
It refreshes Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS) settings.
Users can run IPCONFIG from the command prompt whenever they need to know the status of a
computer’s TCP/IP configuration.