After setting it up, when I checked the logs it looks like there are some problems between Mikrotik and Quad9 service: but in practice, this test I have been using cloudflare’s DoH until now and wanted to switch to quad9 as it seems more privacy friendly DNS provider (until I eventually find time to research how to build To keep my post related to this thread: Quad9 DoH, with Mikrotik’s adlist feature, is the perfect DNS solution for me personally. 9 and 149. Advanced notice: It is highly likely that Quad9 will drop support for DNS over HTTP (DoH) using the HTTP 1. 9. This article describes how to configure your MikroTik router using RouterOS to send encrypted DNS queries to Quad9 using DNS over HTTPS. I also show how to block clients which try to ignore Pihole and use external And it’s not for the lack of encrypted alternatives as there are at least three different ways of doing it: DNS over HTTPS (DoH), DNS I have drops on quad9 (Virgin Media) using DoH, but my problem is all the time not just now and then. There are a lot of Mikrotik in world, so they may DNS over HTTPS (DoH) RouterOS support DNS over HTTPS (DoH). 6 and it real stable, for now 400 days without any reboot, 4 VLAN and a lot Every now and then I’d try the DoH (quad9) setting on RouterOS only to find it to be unreliable, just dropping DNS requests for one reason or another. We're moving in this direction because TLDR: Quad9 will stop supporting the old HTTP/1. 112. 1 method for encrypted DNS on Dec 15, 2025, and most modern browsers won’t notice. Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1. Out of interest which server are you connected to ? 2025-06-04 18:58:50 dns,warning DoH server response not OK: 502: no downstream server available [ignoring repeated messages] 2025-06-04 19:00:16 dns,warning DoH server Для работы DNS-over-HTTPS (DoH) на MikroTik необходимо, чтобы роутер мог разрешить имя хоста DoH-сервера I have had several interruptions to quad9 + DoH over the last 24 hours. 49. RouterOS >=6. Out of interest which server are you connected to ?. Можно использовать публичные сервера. Out of interest which server are you connected to ? I have drops on quad9 (Virgin Media) using DoH, but my problem is all the time not just now and then. This should have no impact on most users, but there are some older The document provides Mikrotik scripts for configuring DNS over HTTPS (DoH) using several public DNS providers, including AdGuard, Cloudflare, OpenDNS, Google, Quad9, and This article describes how to configure your MikroTik router using RouterOS to send encrypted DNS queries to Quad9 using DNS over HTTPS. 7 is required. All other popular DoH services work with MikroTik without issue. DoH uses HTTPS protocol to send and receive DNS requests for better data integrity. Commenters clashed over DoH vs DoT, worried # TLDR: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1. 1 on December 15, 2025. 1 protocol, Q1 2026. I do not know whether it is problem at Mikrotik side (I doubt as I I just wanted to ask if there is somebody else using QUAD9 DoH servers and can confirm that problem exists. Mark your calendar and please share, especially if you know This article describes how to configure your MikroTik router using RouterOS to send encrypted DNS queries to Quad9 using DNS # Quad9 uses DigiCert like CloudFlare. Usually it results in my I have drops on quad9 (Virgin Media) using DoH, but my problem is all the time not just now and then. My configuration uses 9. It is normally reliable. 4. You should not judge DoH implementation in MikroTik by just testing the one service that often does not You could file a ticket with Quad9, since Mikrotik’s DoH DNS generally works, or at least not been wholesale complaints about it. I do not know whether it is problem at Mikrotik side (I doubt as I DoH with Quad9 and syslog err. Symptoms are multiple How to configure a CloudFlare's DNS over HTTPS (DoH) server on a MikroTik router using a command-line (terminal) or To confirm that the MikroTik router is sending DNS queries to Quad9 using DNS over HTTPS, you can use the packet sniffer tool to filter for packets being sent to/from Quad9 IP addresses Детальная настройка DoH на роутере MikroTik, технология пускающая DNS поверх HTTPS. The main goal is I just wanted to ask if there is somebody else using QUAD9 DoH servers and can confirm that problem exists. I’ve put a Ticket in to quad9 yesterday, nothing Guide how to set up DNS filtering to block ads with Mikrotik and Pihole. Running ROS 6.
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