Hey everyone, I work for an MSP company and, as a student who can’t work a whole lot during the week, I come in o the weekends for several hours to work on some issues that cannot be done during the week. We have a client with a Domain Controller running DNS (but DNS isn’t … Read More “DNS Service Large NP Size” »

For many years I have webmail by godaddy and my website site hosted with AWS. No issues at all. Than yesterday in webmail ability to send emails just stopped working. I get an 552 error saying my emails are spam. I’ve tried a lot of things and godaddy tech support is useless. Originally when I … Read More “Email not sending considered spam” »

So first off, I’ve struggled a bit to find a good community for this question, so if this isn’t it please give a hint as to where to post. My use case is fairly simple. I’m running unbound on my OPNsense firewall, which accepts an array of dns blocklist url. The blocklists are compiled into … Read More “Unbound, blocklists and metrics generation including block status” »

I know the DNS secondary is for redundancy sake in case one fails and removing that might leave me not able to connect if the single one fails and I am fine with that. I added 127.0.0.1 as one of the DNS and I noticed that the system queries that like 9 times. I am … Read More “Blocking Secondary DNS? 127.0.0.1?” »

I apologize if this isn’t the place to be asking for general advice, but I noitced many of you seem pretty knowledgeable with this subject. If someone could redirect me if this shouldn’t be here, that would be great. So im going to start this by saying im not the most tech savvy person, if … Read More “Potential DNS spoofing/poisoning” »

Hello everyone, I was thinking about providing a cloud hosted DNS server to block ads and other contents. So basically, you sign up for a monthly subscription like 3$, get your instance up and running with high availability, get our customly filtered blacklist that we update on regular basis. We will have different blacklists for … Read More “AdBlocking as a Service” »

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

PSA – DNS admins, give a look to Technitium DNS Server. I’ve been using it successfully for a few months now. After managing BIND/Windows/Infoblox DNS servers for many years, this little open source project is a breath of fresh air. As usual, YMMV. submitted by /u/micush [link] [comments] Powered by WPeMatico

If anyone wants to brainstorm an idea I had to build a MS Teams app that can do and share DNS lookups. Please post below. My thought is, I get a lot of people coming to me everyday that don’t understand DNS and they ask if DNS is the problem for some public issue. I … Read More “MS Teams DNS App” »

Hello guys, I need help, I know that if the domain was listed/flagged on Google Safe Browsing you could delist by adding the domain on Google Search Console and clean the bad URLs. My problem is how could I delisted the domain if it was listed on Edge Microsoft ” SmartScreen ” if there is … Read More “SmartScreen Edge – Domain flagged” »