submitted by /u/HozienLim [link] [comments] Powered by WPeMatico

Hi, I have been writing backend code for half a decade, but every time I run into a DNS related issue, I find myself embarrassed and often handicapped by my limited experience with the thing. For example, the other day a vpn would not let me `curl` an API. So a college suggested me `dig … Read More “How to learn more about dns” »

So it has been widely reported that the trigger of the issue was a ‘DNS resolution issue within dynamoDB’ however I have seen little additional detail. ‘Blame the DNS guy and every one will nod their heads and agree cause it is always DNS’ seems to be the messaging. I am sure this was beyond … Read More “Any more detail on cause of this weeks AWS ‘DNS Issue’” »

Chris Greer (Wireshark expert) already has some DNS-related content on his YouTube channel but it sounds like more is in the way. submitted by /u/wreditor [link] [comments] Powered by WPeMatico

Hi all, I have a problem, and it’s of course DNS… I have a Zabbix installation running inside an LXC container managed by Proxmox. I know it’s a well known fact that Zabbix hammers DSN servers, and as a mitigation, the most used solution is DNS caching through systemd resolved or dnsmasq. Well, here’s my … Read More “LXC not using DNS cache” »

Is it to talk about DNS infrastructure, how DNS works, ways to configure DNS, etc? Or is it “which public provider should I use because I don’t like to use my ISP for some reason” ? submitted by /u/edthesmokebeard [link] [comments] Powered by WPeMatico

Hi all, I did a ping test of 1.1.1.1 & 1.0.0.1 currently 1.1.1.1 is set to as primary in the router, Laptop and iPhone. Would you recommend to set 1.0.0.1 as the primary? Check the screenshot and the statistics or both the dns resolvers. 1.1.1.1’s average was 70ms 1.0.0.1’s average was 44ms thank you https://preview.redd.it/hcewbs516wwf1.png?width=531&format=png&auto=webp&s=b5a500b58767c5b0d4c6de2a1b92f266c25359ec … Read More “1.1.1.1 vs 1.0.0.1 dns” »

submitted by /u/schuft69 [link] [comments] Powered by WPeMatico

So, also expect updates (soon) from, e.g. one’s distro/vendor, etc., notably at least for the security updates. https://lists.isc.org/pipermail/bind-announce/2025-October/001282.html From: Suzanne Goldlust [sgoldlust@isc.org](mailto:sgoldlust@isc.org) Subject: New BIND releases are available: 9.18.41, 9.20.15, 9.21.14 Date: Wed, 22 Oct 2025 09:49:58 -0400 To: [bind-announce@lists.isc.org](mailto:bind-announce@lists.isc.org) Sender: bind-announce [bind-announce-bounces@lists.isc.org](mailto:bind-announce-bounces@lists.isc.org) Our October 2025 maintenance releases of BIND 9 are available and can … Read More “New BIND releases are available: 9.18.41, 9.20.15, 9.21.14; also contain fixes for security vulnerabilities (CVE-2025-8677, CVE-2025-40778, CVE-2025-40780)” »

Hey Everyone, just wanted to share the DNS tool I built for my own needs but others might find useful. https://ddnss.net/ Ad free, nothing to buy just a free DNS tool to use based around authoritative lookups not cached. I previously used a tool that was based around DIG but with a lot of businesses/clients … Read More “DNS lookup tool” »