Information about DNS and network
Hello all, Ex-sysadmin here, very rusty. Got a dns problem. I use name.com url forwarding. For example: http://coffee.talktorichard.com is set up as a 301 redirect to my calendly page to book a meeting with me (don’t all book one please – maybe I should make a dedicated test referral?) However, since chrome 90, chrome defaults … Read More “Name.com URL forwarding fails on chrome” »
Hi everybody, I came across these from the Bind9 documentation recently: https://bind9.readthedocs.io/en/latest/reference.html#namedconf-statement-forwarders https://bind9.readthedocs.io/en/v9.18.14/reference.html#tls-block-grammar It would seem that I need the CA file for the DNS service I’ll be forwarding to. I have decided on Quad9 for that, however I can’t seem to find their CA certificate anywhere? This is the interesting portion from a DNS … Read More “Configuring DoH forwarding on BIND9 for Quad9?” »
This might be a really stupid idea/question but I was skimming/CTRL+F’ing RFC 1034/1035 earlier today and don’t see why this shouldn’t be possible. Basically the title. Let’s say I operate example.com and I want to basically install (I might have the exact syntax wrong) the below into the authoritative zonefile: * IN NS 3600 ns1.provider.net. … Read More “Is wildcard NS Delegation Possible?” »
I am migrating my ESP from Campaign Monitor to Klaviyo and set up all of my DNS records accordingly almost 8 months ago. They were “green lit” by Klaviyo and we just started sending email campaigns to a small percentage of my database. However, I noticed all Apple Mail users were bouncing and upon checking … Read More “DNS not propagating in San Jose, CA” »
I have a DNS with GoDaddy, let’s say “www.my page.com”. The DNS is pointed to host that hosts my website. If I create a SaaS application built and hosted on entirely different host, can I create a subdomain called say “myapp.mypage.com”. So the subdomain will point to an entirely different host. Is this how a … Read More “SubDNS question” »
Is Gibson dns benchmark on windows a good program to find the fastest and most reliable dns resolvers for my home router? According to it my isp dns resolvers are the fastest followed by the public ones cloudflare, google dns, and quad9 in that order. submitted by /u/kdbtiger [link] [comments] Powered by WPeMatico
I have a reseller hosting account, and the company charges for custom name servers. However, I use Cloudflare’s CDN service, so all my client domains point to Cloudflare’s name servers. Then, Cloudflare uses the IP of the hosting account to direct the client domain to the website. I’m wondering if I could create my own … Read More “DNS only custom name servers” »
I am filling out an application for a company & have been asked the following: “You type www.google.com into your computer’s web browser. Design a diagram that shows how your computer finds the site’s IP address. Show all intermediate DNS servers contacted including the root servers.”* I am either having a brain-fart or am not … Read More “Newbie Question: Show how your computer finds a site’s IP address.” »
I’m assuming I can pick DNS over TLS since they recommended that for Wi-Fi networks that you manage yourself. But I’m not sure what ECS and DNSSEC is. Any advice? submitted by /u/d53197 [link] [comments] Powered by WPeMatico
I have a situation that i dont understand: We manage our domains through a self-hosted Linux DNS server. There I entered the new IP for sub.domain.com. nslookup.io shows that that A record has already propagated, too. Pinging sub.domain.com from any PC in our network returns a non-authoritative answer with the old IP. The first DNS … Read More “DC DNS not updating” »