Issue

[root@test ~]# tail /var/log/messages
Jul  2 13:27:20 slave named[3884]: client @0x7fa4740e98e0 ::1#36944 (dnssec-failed.org): query failed (SERVFAIL) for dnssec-failed.org/IN/A at ../../../bin/named/query.c:8580

如果 named 有启用了调试日志的 bind-9.9.4 ，则这种类型的错误只记录到 /var/named/data/named.ca（默认），但启用 bind-9.11.4 时，只要查询日志在 named.conf 中处于活动状态，同样的错误就会记录到 /var/log/messages 中，而无需任何配置更改。

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