libdns-export1102 1:9.11.4+dfsg-3ubuntu5.4 (amd64 binary) in ubuntu cosmic

 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 exported libdns shared library.