Building Pen from Git on Solaris - UlricE/pen GitHub Wiki
Solaris 11.2
pkg install automake autoconf gcc git
mkdir Git
cd Git
git clone https://github.com/UlricE/pen.git
cd pen
aclocal
automake --add-missing
autoconf
./configure
make
Testing:
./pen -dfU 53 192.168.11.10:53
From another host:
ulric@qvp2:~$ dig @solaris +short siag.nu
194.9.95.65