Re: [Pdns-users] How to set up pdns recursor to repeat the query if it does not get an answer

2020-09-18 Thread Brian Candler via Pdns-users
On 18/09/2020 15:05, Mira Krejci via Pdns-users wrote: thank you for your reply. If it's a feature and can't be changed, I have a big problem that I'll have to solve by changing the software to another. For example, Bind asks more than once if answer does not come. Users are angry that DNS reso

Re: [Pdns-users] How to set up pdns recursor to repeat the query if it does not get an answer

2020-09-18 Thread Winfried Angele via Pdns-users
Hi Mira, I think if a Resolver retries on possibly overloaded or attacked authoritative DNS servers, it gets even worse for them. So I'd recommend to try to contact the people in charge for that domain and try to convince them to solve the problem on their side. And again, the Recursor tries on

Re: [Pdns-users] How to set up pdns recursor to repeat the query if it does not get an answer

2020-09-18 Thread Mira Krejci via Pdns-users
Hi Winfried, thank you for your reply. If it's a feature and can't be changed, I have a big problem that I'll have to solve by changing the software to another. For example, Bind asks more than once if answer does not come. Users are angry that DNS resolving does not work for them (of course, it

Re: [Pdns-users] How to set up pdns recursor to repeat the query if it does not get an answer

2020-09-18 Thread Winfried Angele via Pdns-users
Hi Mira, Yes the Recursor does no retry on *this* auth. But it tries on the other nameservers from the NS RR set. IPv4 and IPv6. So if you have only one auth, Recursor tries two times, IPv4 and IPv6 if available. Winfried Am 18. September 2020 14:47:49 MESZ schrieb Mira Krejci via Pdns-users

[Pdns-users] How to set up pdns recursor to repeat the query if it does not get an answer

2020-09-18 Thread Mira Krejci via Pdns-users
Hi, I have a problem that I can't force the pdns recursor to query the authoritative servers repeatedly if they do not answer. Recursor tries the query only once and then return an error (SERVFAIL) to the client. This is very problematic when the authoritative server is overloaded or there are som