Cisco Cisco Email Security Appliance C390 Riferimenti tecnici
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CLI Reference Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 3 The Commands: Reference Examples
DNS
Note
Cannot be used when using Internet root nameservers.
Command arguments:
–
<ns_ip>
- The IP address of the nameserver. Separate multiple IP addresses with commas.
–
<domains>
- A comma separated list of domains.
•
Deleting the alternate DNS cache for a specific domain:
•
Configuring DNS to use the Internet root nameservers:
Nameserver arguments:
–
<ns_domain>
- The domain to override.
–
<ns_name>
- The name of the nameserver.
–
<ns_ip>
- The IP address of the nameserver.
Note
You can override certain domains by specifying an alternate name server for that domain.
•
Deleting nameservers:
Note
When deleting, if you do not specify an
ns_name
, then all nameservers for that domain will be removed.
•
Clearing all DNS settings and automatically configuring the system to use the Internet root servers:
Displaying the current DNS settings.
Example
Each user-specified DNS server requires the following information:
•
Hostname
•
IP address
•
Domain authoritative for (alternate servers only)
dnsconfig alt delete <domain>
dnsconfig roots new <ns_domain> <ns_name> <ns_ip>
dnsconfig roots delete <ns_domain> [ns_name]
dnsconfig roots
dnsconfig print