11 Maintenance and Diagnostics Settings
DNS Lookup
Here you can specify a DNS Hostname for a forward lookup or an IP address for a reverse lookup. You can also perform a lookup for a Mail (MX) record by prefixing a DNS Hostname with @.
Note: A DNS server must be configured for DNS Lookup to work.
To use forward or reverse DNS lookup:
1.Click Diagnostics on the menu bar and then DNS Lookup at the top of the page. The Diagnostics: DNS Lookup page opens.
Figure 11-14. Diagnostics: DNS Lookup
2. Enter or modify the following field:
Diagnostics: DNS Lookup | Description |
Page Settings |
|
Host | Perform one of the following: |
| For reverse lookup to locate the hostname for that |
| IP address, enter an IP address. |
| For forward lookup to locate the corresponding IP |
| address, enter a hostname. |
| To look up the Mail Exchange (MX) record IP |
| address, enter a domain name prefixed with @. |
|
|
3. Click Submit. The results of the lookup display in the page.
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