Root DNS servers report wrong NS
ephidrineon asked: I have an issue with the last step of DNS delegation by the root servers. I have transferred a domain from registrar A to registrar B a couple …
DNS AAAA record setup – server pingable but website not working
eastclintw00d asked: I registered a domain at one.com and I’ve set up an AAAA entry (test.example.com) pointing to my raspberry pi server running ubuntu and apache2 (with default config on …
etc/hosts entry is ignored by my amazon EC2 Ubunut instant
qbq asked: I want to add an entry for a website name to be redireected to another website. So I added the entry in the etc/hosts file. For example, let …
Where to put CAA record
Luuk asked: We have the following DNS configuration in place to allow our clients to use vanity URLs to our services: sub1.clientA.com CNAME clientA.our-domain.com *.our-domain.com CNAME nlb-sub.amazonaws.com nlb-sub.amazonaws.com A <some-ips> …
Different DNS resolution for multiple IPs
Parth Maniar asked: Greeting’s, I am trying to configure different DNS resolutions for: maniarfamily.com — I want maniarfamily.com (or www.maniarfamily.com / https://www.maniarfamily.com) to point to Wix (23.236.62.147). cloud.maniarfamily.com — I …
How to find out registered domains from an IP?
Carles Alcolea asked: This is one that I’ve never really known how to do, it’s been nagging me from time to time for years. I’ve read all I could find, …
An unknown domain serving contents of my sites
Timothy Lee asked: I found that an unknown domain like www.aaa.com serving exactly the same contents (html, js ,css, any asset) of my site: myname.me. And the API as well, …
SOA for DNS delegation
Reinderien asked: I’ll first say that what I’m doing now seems to work, though I’m unclear on whether it’s correct. I have a domain registrar company (inherited from a contract) …
How discoverable are IPv6 addresses and AAAA names by potential attackers?
Philip Couling asked: It is fairly standard to receive a significant number of minor hacking attempts each day trying common username / passwords for services like SSH and SMTP. I’ve …
Can I make subdomain of company website only accessable on our company network?
thall24 asked: I have created a WordPress site for our company intranet. I also created a subdomain called intranet.example.com. Is it possible to make this subdomain only accessible from our …