dns

Hi there, I would like to host a Debian mail server, where additionally an OpenVPN server instance is listening on UDP Port 53. The server itself should use DoH if possible, else DoT. I can not get it to work however. I tried using resolved, but without avail. Can someone point me in the right...

Hi! I have set up a bind9 local DNS with rescursion turned off. From the DNS server, if I query google.es using DIG it returns: ;; WARNING: recursion requested but not available However, if I use HOST, it works: google.es has address 216.58.215.131 Same happens with NSLOOKUP nslookup...

Hi, I did a fresh install of Debian gnome shell with default settings, but I notice that the system makes daily DNS requests for two domains, Example.com and IPv4only.arpa, the most strange was a DNS application for the domain web.telegram.com, I have no Telegram client installed and I was not...

Hello :) I would like to know what is the recommended approach for configuring the DNS client on Oracle Server 8 and Ubuntu Server? thank u

Hi, i want to mirror two spins of LMDE and Ubuntu on my vs2-free but for this i need a letsencrypt cert and for this i need a full editable subdomain. Did anybody knows a free provider for free subdomains ?

Hello, I have a small issue. I have a virtual server with Ubuntu Server 20.04.6, and I've installed a DNS server on it. However, it doesn't respond on UDP port 53. It only responds if I use the command "dig @109.XXX.3.X thenarbox.com +vc." Of course, I'm running the command from a different...

Hi, I have an strange issue with bind9 which I can't solve. I have defined my own and local domain, domain.local. In the forward resolution file I have the following entries: domain.local. IN A 172.17.70.1 www IN CNAME domain.local. nslookup resolves domain.local and...

Hello, I am currently encountering DNS configuration issues with bind9. I have installed bind9 and made the following adjustments to the configuration files: In the "named.conf.options" file, I added a new access control list block for my trusted clients, like this: acl "trusted" {...

I want to block Apple services on Apple devices, primarily APNS (Apple Push Notification Service). My plan was as follows: Use a VPS (Virtual Private Server) with Squid Proxy and Adguard in Docker. This way, I can simply go to the Wi-Fi settings on my iPad, configure the proxy and DNS. Up...

I'm having an issue with my Linux machine, i can connect to my phone hotspot but can't ping any nameserver or Google, please i need help.

Hi everyone. I have a doubt. If I point my browser to an specific web (let's say facebook.com), it works. So far so good. Now I try to resolve its IP by command line with dig or host commands. dig returns the following: facebook.com. 300 IN A 31.13.83.36 Now, if I point my...

Good day everyone. Tell me please. my recent post In short, the mail was not sent to external mail, because. internal domain with the same name. I was advised to make a transport card. nano /etc/postfix/transport_map yagroup.com smtp:[mx.yandex.com] postmap /etc/postfix/transport_map systemctl...

I apologize in advance for my language, it is not native) Colleagues, please help with the problem. There is a domain mail on Yandex, conventionally denoted by the name yagroup.com With the same name yagroup.com internal domain. Raised the mail server Debian 11, postfix 3.5.18 at the second...

Hi! I made a mistake writing an URL, and instead of writing domain.org, i typed domain.es. My browser pointed to my localhost, showing the Apache welcome page, since I have apache2 installed. If I run dig or nslookup to domain.es, I get: ;; ANSWER SECTION: domain.es. 7056 IN A...

Hi. I'm trying to find out which DNS I'm querying. With dig: ;; SERVER: 127.0.0.53#53(127.0.0.53) cat /etc/resolv.conf nameserver 127.0.0.53 However, if I go to my settings, or I run resolvectl status , I get 172.20.18.1 Which one is correct and why am I getting 2 different results...

I saw this video below today about a DNS middleman and I want to use it on my Debian Cinnamon, but they don't have a guide for Linux on their website (only for Windows and MAC). I use USB dongle router for wireless broadband connection. Any help will be appreciated https://www.quad9.net/

Hi everyone I did a probe to resolve my entire domian "@" with a cname to another fqdn but I got a message error. As alternative i created a type Cname with "www" without errors, someone did that configuration? Thanks for you advice

Hi everyone I am in an implementation of a network service, but I got the query if it is possible to do some kind of balancing in the Bind Linux DNS server. Stage Guest endpoint will communicate via wireless to a captive portal to login, this login page is provided by a server with IP example...

I created a DNS policy (using the add-dnsserverqueryresolutionpolicy {Powershell cmdlet). This policy enforces an "ignore" any time a resource in subdomain/zone scope B tries to resolve the ip address of a resource located in subdomain/zone scope A. My problem is that the "ignore" only seems...

Hello, i wanted to ask which DNS "zones" are needed to be adjusted in order to change IP of the domain.com hosting? by change i mean so the nameservers the domain is using ns1.nsdomain.com ns2.nsdomain.com will properly resolve to a new IP. level 1: domain (nsdomain.com) registar allows...