Re: [DNS] BIND 9.9.9-P8 issue

2017-08-21 Thread Daniel Rodrigues
Hi, We don't have any IPv6 interfaces and normally IPv6 network stack is disabled (kernel module is blacklisted). But we never use this flag, so in doubt I will try this tomorrow. Thank you. Daniel 2017-08-21 11:12 GMT+02:00 Peter : > Hi, > > We had same symptom/issue on several instances where

Re: [DNS] BIND 9.9.9-P8 issue

2017-08-21 Thread Daniel Rodrigues
Hi, Thank you for your reply. 1. We got the last version of root.cache file. Using dig, only d.root-servers.net doesn't respond at all. All other root servers answers correclty : e.g # dig ns . @202.12.27.33 +short b.root-servers.net. l.root-servers.net. d.root-servers.net. g.root-servers.net.

Re: [DNS] BIND 9.9.9-P8 issue

2017-08-21 Thread Warren Kumari
On Mon, Aug 21, 2017 at 4:33 AM, Daniel Rodrigues wrote: > Hello guys, > > > > We are facing to an important issue which is strongly annoying us on our DNS > resolvers. We saw our cache decrease and we got lot of SERVFAIL/recursion > during this period. The only way to solve it is to flush cache o

[DNS] BIND 9.9.9-P8 issue

2017-08-21 Thread Daniel Rodrigues
Hello guys, We are facing to an important issue which is strongly annoying us on our DNS resolvers. We saw our cache decrease and we got lot of SERVFAIL/recursion during this period. The only way to solve it is to flush cache or reboot BIND. Our version is 9.9.9-P8 running on RHEL 6.6. We alread