User`s manual

64
Test Description
Ping Primary Domain
Name Server
Pass: Indicates that the device can communicate with the
primary Domain Name Server (DNS).
Fail: Indicates that the device was unable to communicate
with the primary Domain Name Server (DNS). It may not
have an effect on your Internet connectivity. Therefore if
this test fails but you are still able to access the Internet,
there is no need to troubleshoot this issue.