Cisco Cisco Email Security Appliance X1050 Referencia técnica
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Cisco AsyncOS 9.1 for Email CLI Reference Guide
Chapter 3 The Commands: Reference Examples
DNS
Displaying the current DNS settings.
Example
Each user-specified DNS server requires the following information:
•
Hostname
•
IP address
•
Domain authoritative for (alternate servers only)
Four subcommands are available within the
dnsconfig
command:
mail3.example.com> dnsconfig
Currently using the Internet root DNS servers.
Alternate authoritative DNS servers:
1. com: dns.example.com (10.1.10.9)
Choose the operation you want to perform:
- NEW - Add a new server.
- EDIT - Edit a server.
- DELETE - Remove a server.
- SETUP - Configure general settings.
[]> setup
Do you want the Gateway to use the Internet's root DNS servers or would you like
it to use your own DNS servers?
1. Use Internet root DNS servers
2. Use own DNS cache servers
[1]> 1
Choose the IP interface for DNS traffic.
1. Auto
2. Management (10.92.149.70/24: mail3.example.com)
[1]>
Enter the number of seconds to wait before timing out reverse DNS lookups.
[20]>
Enter the minimum TTL in seconds for DNS cache.
[1800]>
Currently using the Internet root DNS servers.
dnsconfig print
Table 3-5
Subcommands for
dnsconfig
Command
Syntax
Description
new
Add a new alternate DNS server to use for specific domains or local
DNS server.
DNS server.
delete
Remove an alternate server or local DNS server.
edit
Modify an alternate server or local DNS server.
setup
Switch between Internet root DNS servers or local DNS servers.