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User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6)
Gecko/20040122 Debian/1.6-1

Description of problem:
Bind should ship with script like this:

$ cat /etc/cron.monthly/update-named.ca-file.sh
#!/bin/sh
                                                                     
                                                                 
cd /root
wget --quiet --passive-ftp ftp://ftp.internic.net/domain/named.cache
cp /var/named/named.ca /var/named/named.ca.old
mv named.cache /var/named/named.ca
diff -u /var/named/named.ca.old /var/named/named.ca


Version-Release number of selected component (if applicable):
bind-9.2.3-8

How reproducible:
Always

Steps to Reproduce:
1. Notice that named.ca is changed.
2. Develop automatic named.ca update mechanism.
    

Additional info: