Hi,

I would like to introduce DAT, a simple, freeware, Java-based, utility that allows DNS queries for NS, CNAME, SOA, MB, MG, MR, NULL, WKS, PTR, HINFO, MINFO, MX, TXT and AAAA records.
It also performs NS authority check.

The project homepage is here: http://dnsat.sourceforge.net/