Questions tagged [dns]
For questions pertaining to Domain Name System (DNS), a service that provides the resolution of host names to IP addresses. Use this tag when you are troubleshooting DNS issues, configuring a DNS resolver or server, or are trying to understand DNS's involvement in your situation.
1,573 questions
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DNS resolution with reverse proxy connection after server migration
I got a small setup with two private servers ps1 and ps2 at home behind a NAT. One server s1 with public domain s1.com is a small rented vps where I set up as reverse proxy with caddy.
On ps1 I had a ...
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Bind9 Queries Somtimes Fail
I migrated from a Windows DNS server to Bind9 this year. Both were configured as split DNS for local servers, and recursive for public servers (not forwarding). About once or twice a day now, I get ...
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Replacing the domain string in the compiled binary file with an IP address
Just in theory: is it possible to replace the domain string in the compiled binary file with an IP address by editing a binary file in place with sed? (IP address belongs to a different domain, but ...
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How to run DNS queries without bind package being installed
On one of my linux machines the BIND package is not installed. The Bind package provides a lot of terminal tools like host -v, nslookup, dig, etc. If I want to have shell tools or command-line tools ...
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Public DNS Record local override using BIND9 CNAME
I have cPanel & WHM v130.0.14 STANDARD running in an EC2 instance. Trying to setup a reverse proxy with Apache2 by setting a CNAME some.example.com (not the real one) to forward the request to api....
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Why would an alpine docker container resolve an IP with getent and not ping or in python?
I've run into a really weird issue while switching a docker build from a debian base image to an alpine base (FROM python:3.12-slim-bookwork, to FROM python:3.13-alpine). I suddenly get very weird DNS ...
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Unbound Cache Stats Not Increasing - still Showing Same Hits/Misses After Days
We configured Unbound on a RHEL-based server ( RHEL 7.9 ) to provide DNS caching. Here’s the relevant part of our /etc/unbound/unbound.conf:
server:
chroot: ""
verbosity: 1
port: ...
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Linux AP and STA => managing bridge with custom DNS?
I have a SBC and I configured it to have 1 AP and 1 Station mode at the same time on my wifi module as below.
Hostapd creates the access point for the interface wlan0
Interface wlan0_sta is created ...
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Unknown can't find t.qawqa.link Non-existent domain [closed]
Almost two weeks ago, I set A and NS records on Cloudflare.
A record: "tns" as the name and "IPV4 "as the content of the server.
NS record: "t" as name and for content &...
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dhcpcd does not send hostname, reverse DNS does not work
I am using Debian Trixie on a server. I have installed it using ZFSBootMenu documentation, without a desktop environment. The installation is quite minimal in term of packages.
My motherboard has 2 ...
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Dial tcp 10.10.34.35:443: connectex: No connection could be made because the target machine actively refused it
Following instructions, tried to circumvent network censorship.
In the instructions, it was said to add these records in the name's register configuration panel and set these:
A tns.example.com ...
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How to allow local network dotless names using Network Manager in Linux Mint with DHCP?
I have two hosts, MintPC and AlpineVM. The VM is on a bridged network so it appears as its own device on the network with its own address. Both obtain addresses through DHCP provided by my router/...
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ISC Bind9 with DNS over TLS (DOT) fails when strict tls auth is enabled
working I installed and setup Bind9 official package to test DNS forward zones based on source IP/subnets which unbound doesn't support
I properly set NAT forwards, changed listening ports on Bind9 ...
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dnsmasq '--read-ethers' and '--address' interaction
I run dnsmasq on a server (specifically OpenWrt) to act as both DHCP and DNS.
OpenWrt DHCP configuration /etc/config/dhcp:
option readethers '1'
list address '/my-phone.lan/172.28.79.133'
Which is ...
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LXC Container on Proxmox Can’t Resolve DNS — Outbound UDP Works, But No Replies
I'm trying to configure a reverse proxy on an LXC Container in proxmox, however the container is not able to resolve DNS. The proxmox node has no issue with DNS, and both the node and the container ...