BUGS:
* config.cache shipped !

WISHLIST:
* Easy way to make a reverse query.
* `fake' reverse queries (give nnn.nnn.nnn.nnn either always or on error)
* `fake' forward queries (allow nnn.nnn.nnn.nnn -> A)
* DNSSEC compatibility - be able to retreive KEY and SIG RRs
* DNSSEC functionality - provide security
* Easy-to-use scripting query tool