qa/507: fix sloppy diagnostic added recently
qa/507: fix sloppy diagnostic added recently

If hostname does not contain a ., don't do the nslookup <nothing>
badness.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp