CentOS 5.5 64bit named[4474]: network unreachable resolving

an 25 23:15:10 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:503:ba3e::2:30#53
Jan 25 23:15:10 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:503:ba3e::2:30#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:7fd::1#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:500:1::803f:235#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:7fd::1#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:500:1::803f:235#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:dc3::35#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:500:2f::f#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving '55.9.45.10.in-addr.arpa/PTR/IN': 2001:503:c27::2:30#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:dc3::35#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:500:2f::f#53
Jan 25 23:15:12 um1udns1 named[4474]: network unreachable resolving './NS/IN': 2001:503:c27::2:30#53



Resolution:--

Only allow BIND to resolve IPV4 & disable IPV6

Setting are following

under /etc/sysconfig/named

add this line end of the file

OPTIONS=”-4″


After save file, and restart named service.

That its your problem resolved.