unbound resolving different address intermittenly
andrewm659 at yahoo.com
Tue Oct 30 13:52:52 UTC 2018
I have recently setup unbound on CentOS 7 (latest) running version 1.6.6. So far unbound has been chugging away for about a month. In my configuration I have an on premise server configured with lots of internal forwarded domains going to Amazon Route53. As of yesterday unbound started to flip/flop resolution from the internal/private zones to the external zones. I'm not sure why. I have turned up the logging verbosity to see if there was an apparent issue. I though at one point we hit a wall with number of packets per request. My colleague and I thought we hit a resource records maximum limit. We have opened a ticket with Amazon to get more information on their side.
In my config file:num-threads: 4 so-rcvbuf: 4mso-sndbuf: 4mcache-max-negative-ttl: 10do-ip4: yesdo-ip6: yesdo-udp: yesdo-tcp: yes
Everything in my zones config file is a forward-zone and not a stub-zone, not sure if that matters.
Any help is greatly appreciated.
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