check_dig provides more options for monitoring a name server than
check_dns. As the name implies, it is based on the external utility
dig, intended for precisely this purpose.
is the IP address for the DNS server to be tested. It is also possible to specify a host name (instead of an IP address), but in most cases this makes little sense, because this would first have to be resolved before it can reach the name server.
This switch specifies the UDP port to be used. The default is
is the host name to be tested. If no particular computer is looked up, but only the functionality of the ...