Wait the resolver(s) to be ready before the DeleGate starts the
initialization procedure. In the initialization, the result value
of host-name resolution can be used as an important configuration
parameter like ones for access control.
The resolver of the host system may take time to be ready after
the system's reboot, and could be unstable typically when the host
address is assigned by DHCP. Therefore it might be not yet ready
when the DeleGate started.
By default, DeleGate waits for 10 seconds until it can resolve
a host name "WWW.DeleGate.ORG" by the given set of resolvers which
is specified by the RESOLV parameter.
You can specify a more appropriate host name or IP address to be
used to detect the readiness of the resolvers.
This feature can be disabled with RES_WAIT=0.
