Specify here the address of a name server to which DNS requests are to be forwarded. This field can be left empty if you have an Internet provider or other remote site that automatically assigns a name server to the device when it logs in.
- SNMP ID:
 - 2.2.20.5
 - Console path:
 - Setup > WAN > IP-List
 - Possible values:
 Valid IPv4 address, max. 15 characters from [0-9].
- Default:
 - 0.0.0.0