liblwres50 1:9.6.1.dfsg.P1-3ubuntu0.4 (amd64 binary) in ubuntu karmic

 The Berkeley Internet Name Domain (BIND) implements an Internet domain
 name server. BIND is the most widely-used name server software on the
 Internet, and is supported by the Internet Software Consortium, www.isc.org.
 .
 This package delivers the liblwres shared library used by BIND's daemons
 and clients.