[Pdns-users] LUA script check for application health

Greetings, We are running DB cluster for our web applications and want to switch back-end connection from one DB to another in case of failure. The application connects with DB using DNS host names. We want to do application health check for our Database and do DNS record changes based on hea

Re: [Pdns-users] pdns-recursur 4.4: host unknown after some time with no clear reason

Hi Jan, I completely understand NDAs and myself (and numerous other PowerDNS Certified Consultants on this list) are happy to sign them, as part of a professional engagement. Please reach out to me off-list to discuss your options. However, this also means that on this list, we can't help you m

Re: [Pdns-users] pdns-recursur 4.4: host unknown after some time with no clear reason

Hi Frank, On Wed, 1 Jun 2022 11:23:16 +0200 "fr...@tembo.be" wrote: > When this fails, could you run a dig command for a domain after > activating trace for that domain? (See > https://doc.powerdns.com/recursor/manpages/rec_control.1.html?highlight=trace-regex >

Re: [Pdns-users] pdns-recursur 4.4: host unknown after some time with no clear reason

Hello, The 4.4 branch went EOL this week. In general it is not wise to create an environment that is "impossble" to update. Without actual config data, setup details, logs or dumps from the internal tables this is impossble to diagnose. Please check https://blog.powerdns.com/2016/01/18/open-sou

[Pdns-users] pdns-recursur 4.4: host unknown after some time with no clear reason

Hello, We have a strange problem in one of our airgapped environments while we use the same setup in others where we don't have the issue. After some time (varies form seconds to hours), the recursor refuses to give any answer other then host unknown (SRV_FAIL when I remember correctly). Situatio