• SonicOS 7.1
• About SonicOS
  • Working with SonicOS
  • SonicOS Workflow
  • How to Use the SonicOS Administration Guides
  • Guide Conventions
• Introduction to Diagnostics for Policy Mode
• Terminal
• Tech Support Report
• Check Network Settings
• DNS Name Lookup
• Network Path
• Ping
• Trace Route
• Real-Time Blacklist
• Reverse Name Lookup
• Geo and Botnet
• URL Rating Request
• PMTU Discovery
• Switch Diagnostics
• Policy Lookup
• SonicWall Support
  • About This Document

Reverse Name Lookup

The Reverse Name Lookup feature returns the DNS server name for a given IP address. The Log Resolution DNS server 1, 2, and 3 shows the DNS servers configured for the firewall. You can manually configure the DNS servers from Network > DNS.

To look up an IP address

1. Navigate to Device > Diagnostics > Reverse Name Lookup.
2. Enter the IP address in the Reverse Lookup the IP Address field.
3. Click GO.