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Page 120 SonicWALL Internet Security Appliance Administrator’s Guide
Diagnostic Tools
The SonicWALL has several built-in tools which help troubleshoot network problems. Click Tools on
the left side of the browser window and then click the Diagnostic tab.
DNS Name Lookup
The SonicWALL has a DNS lookup tool that returns the numerical IP address of a domain name or
if you enter an IP address, it returns the domain name.
1. Select DNS Name Lookup from the Choose a diagnostic tool menu.
2. Enter the host name to lookup in the Look up the name field and click Go. Do not add the prefix
"http://". The SonicWALL then queries the DNS server and displays the result at the bottom of
the screen.
Tip You must define a DNS server IP address in the Network tab of the General section to perform
DNS Name Lookup.