named が "network unreachable" メッセージをログに記録する
Issue
/var/named/data/named.run などの /var/log/messages または named の特別なログファイルに、以下のようなエラーメッセージが多数出力されます。
error (network unreachable) resolving 'XX.113.112.192.in-addr.arpa/PTR/IN':2001:418:3ff:4::21#53
error (network unreachable) resolving 'XY.113.112.192.in-addr.arpa/PTR/IN':2001:218:2000:3005::202#53
error (network unreachable) resolving 'ns.example.com/A/IN':2001:XXX:231d::2:30#53
error (network unreachable) resolving 'www.example.jp/A/IN':2001:XXX:c000::35#53
error (network unreachable) resolving 'www.example.jp/A/IN':2001:XXX:ad09::5#53
error (network unreachable) resolving 'www.example.jp/A/IN':2001:YYY:0:100::153#53
error (network unreachable) resolving 'www.example.com/A/IN':2001:XXX:a83e::2:30#53
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- bind
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