Hi Luis and Slavko, thank you guys. You pointed me to the right direction. The problem was the systemd-resolv.
I installed Bind9 and replaced systemd-resolv with it. So far I have not seen any more DNS timeouts or resolving problems. KR Daniel -----Ursprüngliche Nachricht----- Von: mailop <[email protected]> Im Auftrag von Luis E. Muñoz via mailop Gesendet: Freitag, 3. Dezember 2021 17:56 An: [email protected] Cc: Luis E. Muñoz <[email protected]> Betreff: Re: [mailop] Postfix / DNSblog Query Problems with various RBLs running in timeouts The only part of your setup that looks strange (to me) is the use of systemd-resolve. On 3 Dec 2021, at 6:55, Glowfish Domainadministrator via mailop wrote: > netstat -tulpn |grep 53 > > tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 586/systemd-resolve udp 0 0 > 127.0.0.53:53 0.0.0.0:* 586/systemd-resolve Perhaps someone more familiar with systemd-resolve could give you advice specific to it. I would test this using a resolver such as Bind or Knot. Best regards -lem _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
