Information about DNS and network
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” »
submitted by /u/UpvoteBeast [link] [comments] Powered by WPeMatico
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?” »
HI all! Just bought a domain on Godaddy and cant setup DNS & Nameservers. https://preview.redd.it/zek1j3srbc2d1.png?width=1330&format=png&auto=webp&s=e13cd6b7ec22c25fea2499c76995d5cd2a23c342 I`ve found that to turn on records I need to setup nameservers, but it also don’t let me do it https://preview.redd.it/7gri1szhbc2d1.png?width=1338&format=png&auto=webp&s=9f94c74600f10a3fd5029921d6c3763578988f63 How can I solve problem? I need to setup DNS for github linking submitted by /u/Admirable-Shower-887 [link] [comments] Powered … Read More “Godaddy cant change nameservers & add DNS Records” »
Hello! I am having trouble setting up the Dynamic DNS that my ISP gave me. It is not in the list of domains allowed by the Asus router when I go to set it up. It has its own domain and extension, and I don’t know how to set it up on my router so … Read More “Custom DDNS on Asus router” »