nslookup has always been broken that way, but seems to have finally
been fixed in the latest release. Not that anyone cares anymore,
since dig is much handier (as are Bernstein's DNS tools).
dig is nice, but I've yet to figure out how to ask essentially for a whole
zone. Requesting "any" gets me NS, MX, and A for those. A for www, ftp,
etc. is never shown. Hints?