IPv6 reverse lookup configuration

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Named.conf
//
// Sample named.conf BIND DNS server 'named' configuration file
// for the Red Hat BIND distribution.
//
// See the BIND Administrator's Reference Manual (ARM) for details, in:
//   file:///usr/share/doc/bind-*/arm/Bv9ARM.html
// Also see the BIND Configuration GUI : /usr/bin/system-config-bind and
// its manual.
//
options {
        directory "/var/named";
        forwarders { "IP address of external DNS"; };
        };
        zone "blr.stglabs.ibm.com" {
                type master;
                file "/var/named/my.ibmisl.zone.db";
        };
        zone "139.126.9.in-addr.arpa" {
        type master;
        file "/var/named/9.126.139.rev";
};
        zone "9.in-addr.arpa" {
        type master;
        file "/var/named/9.rev";
};
        zone "0.10.in-addr.arpa" {
        type master;
        file "/var/named/0.10.rev";
};
        zone "1.0.0.2.IP6.ARPA."        {
                type master;
                file "2001.rev";
};
 
2001.rev filr
 
$TTL    600
@               IN SOA  ldap.blr.stglabs.ibm.com.  root.blr.stglabs.ibm.com. (
                                        53              ; serial (d. adams)
                                        3H              ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum

                        IN      NS              ldap.blr.stglabs.ibm.com.
$ORIGIN 1.0.0.2.IP6.ARPA.
0.5.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 IN      PTR             nimip6.blr.stglabs.ibm.com.
1.5.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 IN              PTR             ldapv6.blr.stglabs.ibm.com.
 
[root@LDAP-Server named]# host -t PTR  2001:0000:0000:0000:0000:0000:0000:0250
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.2.ip6.arpa domain name pointer nimip6.blr.stglabs.ibm.com.
[root@LDAP-Server named]# host -t PTR  2001:0000:0000:0000:0000:0000:0000:0151
1.5.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.2.ip6.arpa domain name pointer ldapv6.blr.stglabs.ibm.com.
 

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