Information about DNS and network
Over years of building stuff, I’ve gathered some memorable elastic IPv4s at aws – short or memorable like a.b.c.d, ab.cde.0.0, ab.cd.ab.cd (I enjoy interesting numbers.) Rather than delete, I’d prefer they went to someone that appreciated them – do you need any? submitted by /u/w–d [link] [comments] Powered by WPeMatico
Hello everyone, hoping someone here can help point me in the right direction please. I have in the cloud, a VPS where I have PiHole and PiVPN installed. It is configured for Cloudflare DoH for upstream DNS. Now alongside that, I’m using dnsmasq as I want to forward specific domains to a Smart DNS which … Read More “DNS set up on a VPS” »
Hi there, so I’m trying to get my small business domain pointed to my hosting site in the cleanest way and looking for some advice/best practice. My domain is held on UK2 who is my registrar – I have already set up email services using TXT/MX records. However, my hosting provider (Bluehost) is saying that … Read More “Nameservers vs. NS Record – UK2 & Bluehost” »
Hello experts! I have a domain, let say mysideproject.com. I bought the domain from GoDaddy but eventually started managing it on Cloudflare. I have a static frontend and used Github to deploy the html/css assets. So Github gave me some records (A and AAAA) and after adding those (A and AAAA) to my Cloudflare DNS … Read More “Stuck with custom domain setting for my web app” »
So technically google DNS is not free, it’s PUBLIC. That means that if you say it’s yourself and then go to yourself, you say yes and google saw you say yes, so i caches itself. So if someone else uses google DNS, you are right. Free? No, public, because if someone happens to buy it… … Read More “Google DNS is Free not Public?” »
So I am a sysadmin in my company and was finding something strange on our domain dns records. So I found out that we have at least 4 records for different subdomains welcome.mycompany.com training.mycompany.com billing.mycompany.com all pointing to one url. There are records forwarding all that traffic to production.mycompany.com wich is an aws instance. I … Read More “Question about CNAME DNS records” »
I know it sounds stupid and I know that you can write 255 characters in a single txt record but is that the only reason for attackers to use it when they can just encode the same characters in multiple RRs of the types I mentioned above placed at the additional field or sent over … Read More “Why would a DNS tunneler use TXT records to transfer information when it can use other less suspicious types of RRs such as A/AAAA/CNAME?” »
I am using windows 11. Installed dns google ipv4 .8.8.8.8 and 8.8.4.4. Same dns installed in router and browser. Why do i see dns amazon when testing on dnsleaktest.com? And also in Ireland, Dublin? I live in Mexico. If I set any other dns, the result is the same. P.S. The problem was with the … Read More “dns leak.” »
My mother owns the wifi and i want to check to see the router history logs and clear them in the process. I from now on will be using a vpn, but I just want to know if this is possible and how do i access it and how do i clear it? submitted by … Read More “how to clear Xfinity wifi router history logs?” »
I’m moving my mail server from a self hosted setup to a hosted provider. I had my own domain and all of my own DNS servers and ran the servers as part of an ISP. I moving to a new provider as the ISP is shutting down after I sold the customers. Is there any … Read More “DNS tricks for moving mail server?” »