Information about DNS and network
Hello, I heard good things about Quad9 dns and Cloudflare service. but recently came across ControlD DNS. Could you please tell me our if all these DNS services significantly different? Which one is your preferred? Thank you submitted by /u/PCOwner12 [link] [comments] Powered by WPeMatico
To my knowledge, the only way to make data centre-hosted (on-prem, cloud, etc.) DNS resolution work on the client’s Linux machine is to send ALL the client’s DNS resolution through the DNS server configured by the VPN client (primarily located in your data centre environment), e.g., route53. This allows you to use your for ex. … Read More “Data center dns resolution for clients connecting over VPN” »
I’m somewhat ignorant to DNS, so here goes… So I registered a domain with AWS Route53 registrar on May 9th. I somehow missed a prompt to verify my email during registration, and because of AWS’ policy reachability was dropped 15 days later unbeknownst to me. I only noticed the problem when attempting to send an … Read More “What is the blast radius of this mistake?” »
good morning; I need help understanding the following case. I have duck dns installed in docker running the update correctly. However, I found that when I do an NSLOOKUP from an online server, my IP does not match what is in duckdns. Does anyone know why this occurs? Apparently it seems to be a problem … Read More “duckdns problem updating unbound servers” »
Working in IT for 15 years but I’ve not really worked with domains during this time outside of adding the odd record here and there. Well I wanted to finally clear a blind spot I have and I have the perfect issue that should make a good use case 🙂 In the process of moving … Read More “Basic Question – How does updating nameservers work?” »
Hello, for the last week or so I wanted to try and host a local CA, my raspberry pi isnt powerful enough for something like letsencrypts boulder, so I wanted to test the capibillities of powerdns and so and so with pebble, their server built for testing this stuff, before i get more powerful hardware, … Read More “Powerdns DNS-01 challange (with letsencrypt’s pebble and LEGO, fails) [Need help!]]” »
Is it still a thing? Does a typical modern browser prevent this attack from happening? And do DNS servers automatically block internal IPs? I just learned about the existence of this attack, and although most of the materials I found are old, I just don’t understand why DNS doesn’t block it by default. Why would … Read More “What’s the current state of DNS Rebinding attack?” »
I have an existing email exchange hosting service that uses a CNAME record for my DNS. I just signed up with a website host provider who required two A records pointing to their servers ip addresses. They also require a CNAME record. The email exchange host advised not to add a 2nd CNAME record. The … Read More “Two CNAME Records” »
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This is still somewhat confusing to me after reading some questions/asnwers here and there. The scenario is I have a Bind9 server which is authoritative for my-domain.com. Now I would like to forward subzone.my-domain.com to be resolved by different DNS server. Is that possible per DNS spec? I know I could setup a delegation for … Read More “Can I conditionally forward subzone of authoritative zone for my DNS server?” »