Fortinet FortiMail 3.0 MR4 - Manual (Page 311)

set system dns
FortiMail™ Secure Messaging Platform Version 3.0 MR4 CLI Reference
06-30004-0420-20080814
311
system dns
Use this command to the DNS addresses and behavior.
Syntax
set system dns cache {enable | disable} primary { | none}
private_ip_query {enable | disable} secondary { | none}
History
Related topics
• set system interface config
• set system interface mode dhcp
• set system route number
Keywords and Variables Description
cache {enable | disable} Enable DNS caching to speed up resolving domain names. Disable
the DNS cache to free memory if you are low on memory.
primary { | none} Enter the IP address of the primary DNS server.
Enter ‘none’ to delete the primary DNS server entry.
private_ip_query
{enable | disable}
Enable private IP queries to perform a reverse DNS lookup on private
IP addresses such as 192.168.0.0/16. This is the default
Disable private IP queries if reverse DNS lookups take too long to
return ‘host not found’ for private IP addresses with no PTR record on
the DNS server.
secondary { | none} Enter the IP address of the secondary DNS server.
Enter ‘none’ to delete the secondary DNS server entry.
FortiMail v3.0 New.
FortiMail v3.0 MR3 Added cache and private_ip_query keywords.