I have just added that one the run apt-get update but still get the same problem.
I have just downloaded bind9_9.3.4-2etch1_i386.deb
then I ran
dpkg -i bind9_9.3.4-2etch1_i386.deb
then i got
Selecting previously deselected package bind9.
(Reading database ... 22986 files and directories currently installed.)
Unpacking bind9 (from bind9_9.3.4-2etch1_i386.deb) ...
Setting up bind9 (9.3.4-2etch1) ...
Starting domain name service...: bindnamed: capset failed: Operation not permitted
named: capset failed: Operation not permitted