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<html><head><meta content="text/html; charset=utf-8" http-equiv="Content-Type"></head>Hi Mira,<br><br>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.<br><br>Winfried<br><br><br><br><div class="gmail_quote">Am 18. September 2020 14:47:49 MESZ schrieb Mira Krejci via Pdns-users <pdns-users@mailman.powerdns.com>:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Hi,<br><br>I have a problem that I can't force the pdns recursor to query the<br>authoritative servers repeatedly if they do not answer. Recursor tries<br>the query only once and then return an error (SERVFAIL) to the client.<br>This is very problematic when the authoritative server is overloaded or<br>there are some problems on the network. I didn't find any way in the<br>configuration to change it.<br><br>Server version: 4.2.2-1 (from EPEL repo on CentOS 8)<br><br>Can anyone help?<br>Thanks.<br><br>Mira<hr>Pdns-users mailing list<br>Pdns-users@mailman.powerdns.com<br><a href="https://mailman.powerdns.com/mailman/listinfo/pdns-users">https://mailman.powerdns.com/mailman/listinfo/pdns-users</a><br></pre></blockquote></div></html>