http://people.debian.org/~aurel32/BACKPORTS/pool/main/libn/libnet-dns-perl/libnet-dns-perl_0.48-1_i386.deb
http://www.backports.org/debian/dists/stable/libmail-spf-query-perl/binary-i386/libmail-spf-query-perl_1.996-1_all.deb
http://www.backports.org/debian/dists/stable/libmail-spf-query-perl/binary-i386/libnet-cidr-lite-perl/libnet-cidr-lite-perl_0.15-1_all.deb