[Pdns-users] About unreachables this indicator

姜伯洋 15555513217 at 163.com
Wed Jul 31 06:41:00 UTC 2019

[root at ops-dns-recursor-1 ~]# rec_control get unreachables

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, abang at 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


Am 31. Juli 2019 05:51:36 MESZ schrieb "姜伯洋" <15555513217 at 163.com>:
[root at ops-dns-recursor-1 ~]# rec_control get unreachables

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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