Hey all, I’m still fairly new to DNS and Mail Security. Recently our company has had a lot of third parties being setup to be used by other departments in our org so that they can email our users. A lot of them are asking us to add CNAMEs to our DNS. I haven’t seen … Read More “A lot of third parties asking to add CNAMEs to DNS” »

I built a website through canva and purchased a domain through IONOS. I am in no way a professional when it comes to DNS settings. Canva asked me to add two A-records and one TXT record. Which I have done and checked for accuracy. All of the canva settings are listed as ‘connected’. However the … Read More “Canva to IONOS” »

Hello party people, I’ve been messing around with bind9 for the past couple of days, and it’s been great. I’ve not been able to get multi-master to work at all though. I’d like to have redundancy for my master. I’ve tried to just designate both servers as masters, but zone transfers do not happen in … Read More “Multi-master on Bind9” »

Hello, I’ve recently added a reverse proxy to my tailnet to access some apps I am hosting. I’m able to reach these apps through Brave, Safari, Firefox on both Fedora and macOS/iOS without issue, however browsers on Win11 cannot resolve. When I run: nslookup app.host.my.domain in my win11 machines both cloudflare and my local dns … Read More “Browsers in Win11 will not resolve reverse proxy” »

Hi I am running Unbound 1.17.1 as a recursive caching DNS server for a small branch office. It has a typetransparent local-zone (example.com) overriding some of the public records. Problem is that enabling DNSSEC has broken resolution for internal clients using systemd-resolved and the DNSSEC=yes option. My question is what’s the best solution here? A … Read More “Unbound, DNSSEC, split horizon” »

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

Currently can’t find any SRV lookup tool that can return any result for any domain. Very strange. Any insight, tool recommendations? submitted by /u/johnwayne__ [link] [comments] Powered by WPeMatico

Hi all, A couple of weeks ago, I wrote a bit about how to set up a Pi-hole on Oracle Cloud using OCI’s “always free” VPS tier. If anyone’s interested, here is where I explain how to provision one of these manually, and here is a write-up that explains how to deploy this configuration using … Read More “Setting Up a Portable Pihole On a VPS” »

I noticed that r/Quad9 redirects me a filecrypt.co url to a wrong .cc url e.g. https://filecrypt.co/Container/894060C200.html and even stranger, this behavior occurs on chrome based brower (i use vivaldi for example) while it does not happen with Firefox. obviously by changing dns, this problem does not happen. submitted by /u/gabenika [link] [comments] Powered by WPeMatico

I’ve created an rDNS map, available at https://reversedns.space/ It was not hard to do, but there was a lot of unusual and amusing stuff in the process. Video: https://youtu.be/0hDOr9Pp1-4 or https://fosdem.org/2025/schedule/event/fosdem-2025-6466-rdns-map-in-your-hands/ submitted by /u/SuccessfulMap5324 [link] [comments] Powered by WPeMatico