Hello 姜伯洋, Logging of "unreachables" is not possible as far as I know. Although it would be a handy feature. You could try "rec_control trace-regex '.*'". But this produces a huge amount of log and possibly decreases the Recursor performance.
Winfried Am 31. Juli 2019 08:41:00 MESZ schrieb "姜伯洋" <15555513...@163.com>: >[root@ops-dns-recursor-1 ~]# rec_control get unreachables >342 > >As you can see, the number of times my recursor has not reached the >authoritative server is increasing every day. How can I troubleshoot >this? When the counter is incremented, will the relevant log be >recorded? > > > > >At 2019-07-31 14:24:47, ab...@t-ipnet.net wrote: >Hello 姜伯洋, > >If the Recursor does not reach an authoritative nameserver when >resolving a domain, this counter is incremented by 1. The cause is >usually not the Recursor. > >See https://doc.powerdns.com/recursor/metrics.html > >Winfried > > >Am 31. Juli 2019 05:51:36 MESZ schrieb "姜伯洋" <15555513...@163.com>: >[root@ops-dns-recursor-1 ~]# rec_control get unreachables >333 > > >Hello everyone > > >I want to know what will lead to an increase in this indicator. What >effect will it have? How can I optimize recursor? > > > > > >
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