This object reports the IP address associated
with a pingCtlTargetAddress value when the destination
address is specified as a DNS name. The value of
this object should be a zero-length octet string
when a DNS name is not specified or when a
specified DNS name fails to resolve.
The address type (InetAddressType) that relates to
this object is specified by the corresponding value
of pingResultsIpTargetAddressType.