How can I force a nameserver resolution using the second nameserver on an ubuntu server
Ahmad asked: I try to download something from nvidia on a remote server via ssh. Iran is banned by the nvidia website. When I check the server dns, that is: …
backward nslookup ip in DNS setup centos 8
Arefeh Yavary asked: I setup a DNS server on CentOS 8. But the command "nslookup " has not correct output. The output not contains the nameservers which I set for …
Clarification on RFC 2606 & 6761 regarding the reserved domains
vinz asked: I read https://tools.ietf.org/html/rfc2606 and https://tools.ietf.org/html/rfc6761, but I still do not get some details. Why do https://tools.ietf.org/html/rfc2606 does not explicitly says which response code we should return for the …
My static ips are inaccessible only from CenturyLink users across all ports
Altimus Prime asked: The Problem: How do you diagnose an ISP specific connectivity problem? I host a few sites on local machine. I pay for a business class account with …
How Akamai CDN serves the content from closes edge server to user ?a
user3198603 asked: After going through some resources on google, got the idea how Akamai CDN edge servers works but got some questions about internals. Say I have got static content …
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 …