Questions tagged [dns]
Domain Name System for computers, services, or any resource connected to the Internet. It translates domain names meaningful to humans into the numerical identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide.
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ubuntu zone transfer error
I transferred files from my Windows Server 2019 into ubuntu and I checked the logs and it says "transfer success", but when I try to cat the zone file it displays in binary format any ideas.
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DNS Not Resolving at all - 22.04.3
Today DNS stopped resolving. I can still ping the internet by IP address but no domain names are resolved.
I've tried
restarting resolved
editing resolved's config files: disable DNSSec, enter name ...
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NFS mounting including FQDN Fails
I'm running into a weird issue with mounting an NFS share on my 22.04.3 Ubuntu box.
When I try to mount the share using the server's FQDN like this:
sudo mount -t nfs nfsserver01.mydomain.com:/path/to/...
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Name resolution (hostname) doesn't work /Ubuntu 22.04 server
I cannot ping or mount using hostname of server on domain network.
Server is almost fresh install, just using apache, mysql, php for webhosting.
If I ping server with its hostname it result with this ...
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Can't reach internet after reboot. But I can ping DNS servers Ubuntu 23.10
A fresh install 23.10 with UFW and OpenVPN, all works no problem. Then, after a restart, the network icon comes up with a question mark. And I can't reach the internet. I can ping whatever IP I want, ...
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Bind9 fails loading from master file because it adds a ".com" to the file they're searching
I'm having an odd problem that I'm not sure how to explain either here or to google.
On the named.conf.local I have declared as "site1.edu.ve" but I get this error
zone site1.ve/IN: loading ...
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1
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80
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systemd-resolved dns over https (doh) with custom port and domain
I want to use dns over https (doh) on my system (Ubuntu 22 LTS) and connect to a server (smartSNI) which is listening on port 9443, but the DNS resolution doesn't work correctly.
resolvectl --version ...
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Is it safe to uninstall resolvconf if ubuntu >= 18.04?
I recently installed an ubuntu 20.04 for testing, and noticed it did not have resolvconf installed on it.
Going over the changelogs of Ubuntu, it seems this is part of Ubuntu 18: https://wiki.ubuntu....
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How to set DNS from command line on Ubuntu 20.04 Desktop?
I'm trying to set a DNS server on Ubuntu 20.04 Desktop. So far this is what I have.
In /etc/systemd/resolved.conf this is the content:
# This file is part of systemd.
#
# systemd is free software; ...
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ping a *.local address client [closed]
I have a bind9 dns cache server running (for example with zone ".home" and any clients with ubuntu and raspberian. Additionally some other clients with Mac OS, Windows etc.
I can ping all ...
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Ubuntu 22.04 wifi connection is lost every x minutes
A week or two ago my wifi started losing the connection every 10-20 minutes. As far as I am aware I did not do any updates or anything prior to this. I have tried all sorts of solutions found online, ...
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Handling DNS Resolution Failure after Releasing the Primary Public IP on Linux Machine with Multiple IPs
I am encountering an issue on my Linux machine with multiple network interfaces and IP addresses. Specifically, after releasing the primary public IP (let's call it 112. * .* .1) on the ens3 interface,...
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DNS Problems with Ubuntu 22.04 LTS
I have a problem to config the correct DNS. My Server receive over 700K of SMTP request daily which are using DNSBL and in some cases the DNSBL can't handle that amount of mails. I get a reason: 530 ...
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Unable to connect to network
For some reason I cannot access anything other than local sites hosted on my network - I do connect to the router however the WiFi icon appears as a ? rather than showing me the signal strength.
...
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Can't ping dynamic IPv6 Xubuntu hostname from Kubuntu laptop
Ever since I updated my computers yesterday with the latest Ubuntu updates, I have been having issues with the computers communicating with each other. Originally, nothing (Either my mobile [Android], ...
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DNS servers and public hotspots - 25% of them fail and solution is hard to find
At about 25% of random wifi hotspots I have no trouble connecting with my phone, but my linux does not connect. I tried everything in this post.
nslookup google.com does not work
➜ ~ nslookup google....
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Ubuntu server cant ping outside network &| DNS (Temporary failure in name resolution)
My network on the server is not working, help much appreciated
default via 192.168.50.1 dev eno1 proto static
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
192.168.50.0/...
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Local hostnames giving 'Temporary failure in name resolution' error
I setup a brand new VM on my network with Ubuntu 22.04 and a static IP. However, for some reason I can't lookup machines on the local network via hostname. It works fine on my older VMS. Is there some ...
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Network settings seems to be completely broken, no logic to be seen
I have been a random problem with my server for a while, every now and then after a reboot the network suddenly completely stops working. Normally, after a few changes in the network files I am ...
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How to prevent Docker causing my .local address to resolve to 172.29.0.1?
I have a recently installed machine (called vader), with a custom DNS entry on my Pi-hole. This works, when I try to resolve vader.home:
$ resolvectl query vader.home
vader.home: 192.168.1.212 ...
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A particular domain is not getting opened in any of my browsers at my Ubuntu 22.04.3 LTS
In every other device the domain can be accessed , even from console when I tried to ping its working perfectly without any packet loss. But the browsers both firefox and chrome are unable to open ...
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DNS Server issue on Ubuntu 22.04
I have read tons of posts about DNS and fixing that but it was not solved.
I have a private virtual network and multiple VMs are connected to a router with internet. All of them have internet and ...
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Bind9 starts but won't listen to any ports
I am getting nuts here...
I have a fresh install of Ubuntu 20.04.6, and I am trying to get bind9 to work. But I do not succeed.
I started with removing systemd-resolved and added a ipv4 DNS directly ...
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Slow network traffic with DNS only after migrating Ubuntu Server 22.04.2 LTS to airgapped network
I have two networks in my environment, a main network and an offline/air-gapped network. The standard process for deploying Ubuntu servers to the air-gapped network is to clone a template VM on the ...
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dnsmasq is not logging dns queries
Here's how I am debugging this issue from the command line:
$ dnsmasq --no-daemon --log-queries
Putting the log-queries option in the config file and running it as a daemon still showed nothing on ...
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NetworkManager rewrites name servers in config file
I have a wifi network connection that has a config file
/etc/NetworkManager/system-connections/MyNetwork.nmconnection
Name resolving did not work, so I added my provider's name servers.
But upon ...
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bind9, named not accessible over local network behind router ubuntu 20.04
i have a zte F6600R router from my isp provider with following configuration
DHCP SERVER : ON
LAN IP ADDR : 192.168.1.1
SUBNET MASK : 255.255.255.0
DHCP start IP : 192.168.1.10
DHCP end IP : 192.168.1....
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Ubuntu Pro on AWS | Temporary failure in name resolution
I created a new EC2 instance with Ubuntu Pro 22.04 image. After 1st access, I updated system packages and Audited/fixed using usg command.
After usg fix command, I rebooted the system and upon 1st ...
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Ubuntu 22.04 is connected to internet, but cannot open any website in the browser
HELP!!!
everything was ok until I went to the office and connected my laptop to the Wi-Fi.
then I came home and everything was destroyed!
My Ubuntu is connected to wifi, and the ping of 8.8.8.8 is ok, ...
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local DNS server for dns caching OpenVPN clients
i have two servers. One in the netherlands and one on australia.
They are connected to each other over vpn.
When a client connects to the australian server there is the netherlands dns server provided ...
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Cannot resolve hostnames on ping after upgrading from 18.04 to 20.04
I have recently upgraded a server running 18.04 to 20.04. The in-place upgrade seemed to go fine and installed without a hiccup, however the end goal is to upgrade to 22.04 and when I went to go run ...
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Ubuntu 22.04 - 8.8.8.8 DNS is set on the server but not in resolve.cnf
This is the content of /etc/resolv.conf
nameserver 127.0.0.53
options edns0 trust-ad
search .
However, resolvectl status gives
Global
Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
...
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Using Ubuntu 22.04 as DNS Server with bind9
I want to use a simple ubuntu 22.04 server as a DNS Server for my pc.
I created a new server, with a static ip address, that i will type in to my dns in windows.
My problem is, when i try
nslookup ...
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DNS Server Issue
I have set up my own DNS server on my Linux Ubuntu 22.04 Server using bind 9. However, I am encountering an issue. I aim to configure the DNS server to handle all sites with a subdomain of rizsolution....
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Debugging DNS stub resolver
I am using Ubuntu 20.04.6 and I'm facing issues with the DNS stub resolver.
Using the default settings, I cannot access several webpages. However, when I add the google DNS address to /etc/resolv.conf ...
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dig works only when specifying a nameserver
I have a Ubuntu 20.04 Desktop installation. I am unable to access internet or reach any servers by name. The DNS lookup is failing. DNS Servers are Windows DCs 10.0.1.22, 10.0.1.21 and two Cisco ...
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2
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No traffic with Wireguard on Ubuntu
I'm trying to use Wireguard on Ubuntu 22.04. The same server-client-configuration is working without an issue for Windows and Android.
I'm not the administrator for the server side, but got the ...
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Why is my system using the secondary dns server instead of primary?
I have a domain I use for applications I self-host. Let's call it example.dev. I use Cloudflare Tunnels to proxy http requests to those applications. This works great when I'm out.
When I'm home there ...
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ddclient invalid login
I am trying make a dns registry using ddclient, here is my ddclient.conf
protocol=nsupdate
use=if, if=eth0
example.mydomain.com
and I got the error when I ran the ddclient :
ddclient[3507] WARNING: ...
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Preparation for Ubuntu 22.04 LTS home server
I just setup Ubuntu 22.04 LTS Server Edition on my home lab PC. My Internet ISP provide me with dynamic public ip address, and I use freedns.afraid.org to update record for my public IP address.
I set ...
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ufw blocks DNS response
i've got an ubuntu server (Ubuntu 22.04 LTS) running with svn, duplicati, rdp-forwarding and ssh-access.
My problem is that i cant resolve hostnames within our network an beyond.
sudo apt update is ...
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Xubuntu 22.04: no DNS after PXE/overlay boot
I am using dnsmasq on my server to boot our clients via PXE (both traditional BIOS and UEFI); the NFS-root is readonly and the clients use an overlay-root. This worked fine for Xubuntu 18.04 clients.
...
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765
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Netplan DNS configuration is overridden UBUNTU 22.04
I have just installed ubuntu 22.04 from scratch on a new physical server. One thing that has been a thorn in my side with Ubuntu since about 14.04, is trying to wrap my head around the complexities ...
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How to add multiple domains to my dns server?
I'm trying to figure out how can I add other domains to my DNS server, as I fallowed this tutorial:
https://tecadmin.net/configure-dns-server-on-ubuntu-linuxmint/
Can anyone explain and show me how to ...
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1
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Router changing default gateway when creating a DNS
I'm using Ubuntu 20.04, and my router is TP-Link AXE-5400. I'm new to Ubuntu and Linux for that matter, but I managed to make some VM via Proxmox. Cloud server, gaming server, Plex and so on. I was ...
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How to manually create your own nameservers and manage multiple domains(without the help of control web panels) [closed]
I would like to know how to create your own name servers and manage them on your own ubuntu server(so they will no longer be configured on the domain registrar panel).
Like, for example, I would take ...
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Changing dns to OpenDns works only in the current session, not for my child and not after reboot
I configured OpenDns as suggested here (even the final part)
It works immediately after the changes, BUT:
If I switch to the user of my child, it doesn't work anymore
If I switch back to my account ...
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61
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Strange UFW Block Logs
i noticed repeats of the following logs in my server:
Dec 3 21:55:27 alice-server kernel: [287677.084885] [UFW BLOCK] IN=ens18 OUT= MAC=01:00:5e:00:00:01:90:9a:4a:dc:31:62:08:00 SRC=192.168.0.1 DST=...
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All my subdomains which I haven't setup on server loads my phpmyadmin virtualhost configuration by default
I have done setting up a sub-domain on my ubuntu server for my phpmyadmin, which is working fine.
If I created a new sub-domain in my DNS and make it to point on the ubuntu server loads my phpmyadmin ...
2
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DNS resolves intermittently on ubuntu 22.04
Yesterday my Oracle-hosted server (Cloudflare DNS) was suddenly cut off, replaced by the cloudflare "Origin is unreachable" code 523 page
I spent a long time looking for the cause and, ...