Help Need with Bind 9.3.1

[Carinus Carelse]

I have the bind starting up ok on Solaris 9.  I can do a lookup both
ways on mydomain.com but when i try to query the root cache it fails on
connection timed out.  I am including my config file to see if there is
anything you guys can maybe do to help.

Carinus

key "rndc-key" {
       algorithm hmac-md5;
       secret "8wh4+I9ycy8NpKMnKnvlpQ==";
};

 controls {
        inet 127.0.0.1 port 53 allow {
                127.0.0.1;
                internal.ip;
                }
        keys {
                rndc-key;
                };
};
options {
        directory "/usr/custom/named";
        pid-file "/usr/custom/named/named.pid";
        listen-on port 53 { internal.ip;};
        edns-udp-size 512;
        };

logging {
    channel update_debug {
    file "/var/log/update-debug.log";
    severity  debug 3;
    print-category    yes;
    print-severity    yes;
    print-time   yes;
};
             channel security_info    {
                  file "/var/log/named-th.info";
                  severity  info;
                  print-category yes;
                  print-severity yes;
                  print-time     yes;
             };

         category update { update_debug; };
         category security { security_info; };
};

zone "." in {
        type hint;
        file "/usr/custom/named/named.root";
        };
zone "domain.com" in {
        type master;
        file "/usr/custom/named/domain.com.hosts";
        allow-query { any; };
        };
zone "18.172.in-addr.arpa" in {
        type master;
        file "/usr/custom/named/172.18.rev";
        };
zone "0.0.127.in-addr.arpa" in {
        type master;
        file "/usr/custom/named/127.0.0.rev";
        };