dnsenum

apt-get install build-essential
git clone https://github.com/fwaeytens/dnsenum
apt-get install cpanminus
cpanm String::Random
perl -MCPAN -e shell
install Net::IP
install Net::DNS
install Net::Netmask
install XML::Writer
git clone https://github.com/fwaeytens/dnsenum.git
cd dnsenum
./dnsenum.pl xxxx.com

dnsmap

wget https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/dnsmap/dnsmap-0.30.tar.gz
tar zxvf dnsmap-0.30.tar.gz
cd dnsmap*
make
gcc -I. -o dnsmap dnsmap.c