If a round robin URL of is used for a keyserver (e.g. subkeys.gnupg.org); it is not easy to see what server is actually used. Using the keyserver debug option as in
gpg --keyserver-options debug=1 -v --refresh-key 1E42B367
is thus often helpful. Note that the actual output depends on the backend and may change from release to release.
For development, the best logging method on WindowsCE is the use of
remote debugging using a log file name of tcp://<ip-addr>:<port>.
watchgnupg may be used on the remote host to listen
on the given port (see option watchgnupg --tcp). For in the field
tests it is better to make use of the logging facility provided by the
gpgcedev driver (part of libassuan); this is enabled by using
a log file name of GPG2: (see option --log-file).