In my current setup, I have example.com DNS hosted on NetworkSolutions. I have an MX record for mail.example.com, and both domain and subdomain are connected to M365. Everything works so far. The subdomain is only established through the MX record. So it’s still under the zone file $ORIGIN example.com, if I’m understanding how this works. … Read More “DKIM for virtual subdomains using M365?” »

Hi, I’ve been experiencing some issues regarding the domain of the company I work in. For example, there seems to be a problems with receiving emails from Apple and Microsoft (and because of it I’m unable to configure my office computer). Every user of the domain has the same problem. This https://toolbox.googleapps.com/apps/checkmx/ google tool says … Read More “Issues with receiving emails from certain organizations” »

does anyone have a real working example for dkim txt that breaks a string larger than 255 characters into a usable value for aws dns? because nothing I try works and I have been through dozens of samples only for aws to reject every single submission. this bitches 255 characters is the max per line … Read More “aws dkim impossible” »

I created a playground project that has the following architecture: https://preview.redd.it/kknuu7c2i6lc1.png?width=1053&format=png&auto=webp&s=d217b64441d5f5c387a299092c0280148e387459 My laboratory object is: Make dns-initial forward all queries, but the domain privatelink.database.windows.net to two specific DNS servers only. Consult dns-initial to solve db-a by returning 192.168.0.20. Consult dns-initial to solve db-b by returning 192.168.0.30. If I execute the command dig -t A u/127.0.0.1 … Read More “Configuring Bind9 DNS Proxy that queries DNS A or DNS B” »

When reviewing it only leaves the domains but not the dns and the response time is only a very superficial reference #dnsperf submitted by /u/AdminOmegaKick [link] [comments] Powered by WPeMatico

When doing a dns benchmark test from Gibson, my isp dns is the fastest, followed by cloudflare. Quad9 is way down the list. When doing a ping test, my isp dns is 7 msec, cloudflare 11msec, and Quad9 is 23mec. Would it make a big difference performance wise from the fastest to the slowest? I … Read More “What DNS for your router?” »

hosting multiple minecraft servers on one machine, my domain registrar is cloudflare i’m trying to have minecraft.example.com point to (ip:25565), but the cloudflare dashboard says “minecraft” is an invalid name for the srv record what is a valid name for an srv record? i couldn’t find this info on google https://preview.redd.it/vcil1v0tr9ic1.png?width=1782&format=png&auto=webp&s=0d9c0c55ae269cd72ac7b677f7b548fbf4a1f54d submitted by /u/vagueadvice [link] … Read More “valid srv record name” »

The past, present, and future of DNS security with Cricket Liu – the man, the legend lays out the future and talks about his accidental stumble into DNS eons ago. https://kbi.media/podcast/episode-240-deep-dive-cricket-liu-the-past-present-and-future-of-dns-security-evolution-collaboration-and-maximizing-infrastructure-efficiency/ submitted by /u/Choochy89 [link] [comments] Powered by WPeMatico

Hi – wondering if anyone can tell me if there’s a delay in emails due to propagation when setting O365 business up with a domain with Namecheap. I set the DNS records up as instructed…been 2 hours since I sent an email from the new email account. submitted by /u/indiginary [link] [comments] Powered by WPeMatico

Hi So i am trying to add www to my website, since i think this could be one of the reasons my Google ads txt was not found. I have a webpage that have an a record, quad a record and an cname but i think i have a wrong or bad setup. My A … Read More “Please help me with adding www to my website” »