And possibly non-caching. I want it non-recursive: I’m playing with the dns protocol and I want to see a full chain of request. My ISP and google dns are recursive even though I explicitely tells not to in my queries.. So they’re not eligible. submitted by Yifu [link] [4 comments] Powered by WPeMatico

Initially, the intended purpose of the System-NS was to become a service for personal use. However, we (developers) have been carried away while designing it, so our project turned out to become a shared resource. How it was done Not so long ago we found ourselves in need of the secondary DNS service in order … Read More “System NS. The inside” »

As an example, I have a DNS server that is on 10.0.1.10 . I have two networks: 10.0.1.1/24 , 10.0.2.1/24, and clients on each network. I have a client (foo.bar.com) which has interfaces on each of these networks: 10.0.1.5 and 10.0.2.5. My DNS server is accessible from all clients on all of my networks. Is … Read More “Can DNS respond to a query different depending on which network the client is on?” »

Hey r/DNS I’m a new sysadmin for a small business and I’ve encountered what I believe to be a strange DNS issue. Individual clients are unable to correctly resolve host names for servers inside our domain. This issue is intermittent and will only affect a single machine at a time, and I am unable to … Read More “DNS failing for Domain” »

submitted by danyork [link] [1 comment] Powered by WPeMatico

I’m attempting to create my own server, the goal was to make mini version of a professional platform (minus all the security enhancements) all i have left to do is host my own DNS but I’m having trouble finding any free DNS program that works. I tried Bind but that required an account and subscription … Read More “Locally Hosted DNS server?” »

I’m currently on opennicproject.org and saw someone in /r/sysadmin suggest https://dns.watch/index. I wanted to see if anyone else has used them and what their thoughts are. submitted by lbruiser [link] [1 comment] Powered by WPeMatico

I’ve been working on optimizing the outgoing mail from my virtual server. This server has several virtual domains which send and receive mail as well. I’ve been using the mail-tester.com service to check configurations, and I seem to be able to get 9 or 10 out of 10 on all my sites. However, there’s a … Read More “DMARC records” »

submitted by tabasselejambon [link] [1 comment] Powered by WPeMatico

submitted by kraakf [link] [1 comment] Powered by WPeMatico