Articles about dns | UserComp.com

CentOS Stream 9: Frequent 'Nameserver Not Known' Issue

A CentOS Stream 9 server, directly connected to a router, is functioning well except for the frequent occurrence of the 'Nameserver Not Known' error. In this article, we discuss possible solutions to resolve the issue.

Raspberry Pi with Quectel EC25 Modem: DNS Fail on wwan0 Interface

This article discusses a DNS failure issue on the wwan0 interface of a Raspberry Pi running the latest Linux kernel 6.6, with a Quectel EC25 modem and successfully connected SIM cards. Potential causes and solutions are explored.

Configuring a Local IPv6 DNS Server on a Raspberry Pi for Fritz!Box Use

This article explains how to set up a local IPv6 DNS server on a Raspberry Pi for use with a Fritz!Box. Learn how to obtain the Raspberry Pi's IPv6 address and configure the DNS server to make your router aware of it.

Making DNSmasq Handle Dynamic IP Hostnames

Learn how to configure DNSmasq to handle dynamic IP hostnames, allowing your router's hostname to always point to its current IP address across different networks.

Setting Up Universal Home DNS for Network Access Control

Learn how to set up Universal Home DNS to manage network access for multiple devices in a human-friendly way, keeping them securely away from direct internet access.

Vodafone Router NO-IP DDNS: Disable Wi-Fi Settings Redirection to Access Website

Users report their Vodafone router-hosted websites being redirected to Wi-Fi settings pages when accessed via NO-IP DDNS. This article explains how to disable Wi-Fi settings redirection and access your website through the Vodafone router.

Assigning a Static IP to a Domain in IIS on Windows Server 2022

Learn how to assign a static IP address to a domain in IIS on Windows Server 2022. This tutorial covers DNS, DHCP, and Active Directory configurations.

Sudo Complain: DNS Name Resolution in Ubuntu 22.04

This article explains what happens when you manually edit /etc/resolv.conf using sudo and encounter a complaint about DNS name resolution in Ubuntu 22.04.

Subdomain Custom NS Record Failing to Resolve: Troubleshooting Steps

Learn how to diagnose and resolve issues with custom NS records for subdomains not resolving. This article covers troubleshooting steps for foo.example.com and bar.example.com.

Syncing Slaves: A Guide to Making Master Nodes in NS0, NS1, and NS2 Synchronize

This article provides a step-by-step guide on how to make master nodes in NS0, NS1, and NS2 synchronize. The process involves configuring PowerDNS with specific settings. Learn how to disable AXFR, enable notify, and allow axfr-ips to ensure your DNS slaves stay in sync.

Windows 11: Sending Conventional DNS Requests with DNS-over-HTTPS Enabled

Users report seeing conventional DNS requests despite having DNS-over-HTTPS enabled on Windows 11. In this article, we'll discuss what this means and how to troubleshoot the issue using Wireshark.

Switching to Forward Requests in PowerDNS: Troubleshooting NXDOMAIN Issues

Learn how to troubleshoot NXDOMAIN issues when switching from resolving queries to forward requests in PowerDNS. This article provides a step-by-step guide and suggestions for optimizing your PowerDNS configuration.

ASUS Router Not Responding to DNS Queries during Zero-Tier VPN Installation

This article discusses a common issue faced during the installation of Zero-Tier VPN on an ASUS router, where the router fails to respond to DNS queries. It provides possible solutions to help troubleshoot and resolve the issue.

Troubleshooting NoDNSAAAA Response with Fortigate for IPv6 Homelan

Learn how to troubleshoot and resolve the NoDNSAAAA response issue when setting up IPv6 homelan with Fortigate.

Configuring BIND9 Catalog Zone with Non-Notification Slaves: A Step-by-Step Guide

In this tech support article, we'll walk you through the process of configuring a BIND9 catalog zone with non-notification slaves. We'll focus on the ns1 and ns2 servers with IP addresses 192.168.8.78 and 192.168.8.79, respectively. Let's get started by modifying the named.conf file.

DNS Server: Resolving Internal Domain Names to No Hosts

Learn how to troubleshoot DNS servers that fail to resolve internal domain names, resulting in 'no hosts' errors. Follow the steps below to resolve this issue using the nslookup command.

Cannot Access Website on Hosted Domain using Apache Route53 with EC2 Instance on GoDaddy

Users report issues accessing their websites hosted on an EC2 instance using Route53 after purchasing a domain on GoDaddy. This article outlines the steps to resolve this issue.

Configuring Raspberry Pi as DHCP and DNS Server with IPv6: Ignore Advertised DNS

Learn how to configure Raspberry Pi as a DHCP and DNS server using IPv6, and how to ignore advertised DNS.

Pi-hole IPv6 Setup: Reliably Distinguish Certain Clients and Group Them?

Learn how to reliably distinguish and group certain clients in Pi-hole IPv6 setup to bypass blocklist issues.

Securely Setting Up DDNS+Port Forwarding on a Home Hosting Website

Learn how to securely set up Dynamic DNS (DDNS) and port forwarding on your home hosting website. This guide covers the process for forwarding external requests to internal port 80 using port 8080.

Understanding DNS Server 'end::1' - A Basic Tech Support Question

In this article, we will explain what 'end::1' is in the context of a DNS server, and clarify any potential confusion around its use in internet redirection.

Hiding Public IP Address with Free Dynamic DNS: A Comprehensive Guide

Learn how to hide your public IP address using free Dynamic DNS services. This comprehensive guide covers the process for various operating systems, including Linux, Windows, and MacOS.

Configuring Cloudflare's Malware Blocking DNS (1.1.1.1) for DNSTLS (DoT) requests

Learn how to enable DNSTLS requests and use Cloudflare's Malware Blocking DNS (1.1.1.1) to secure your connection against malware and phishing attacks.

Configuring macOS with Custom DNS Resolvers in /etc/resolver

Learn how to configure macOS to use custom DNS resolvers in the /etc/resolver directory. This can improve network performance or bypass DNS restrictions. Follow these steps to set up your Mac with a custom DNS resolver.

Migrating Email from ISP Business Domain to Tucows DNS: Changing MX Records for POP3/IMAP

Learn how to change MX records for POP3 and IMAP settings when migrating email from an ISP business domain to Tucows DNS.

Manually Editing DNS-IP Correspondance Table with DNS Service

Learn how to manually edit the DNS-IP correspondence table using a DNS service when you cannot use the hosts file or run a DNS server locally.

Can DNS Name Resolve to Class EIP in Tech Support Sites?

A software engineer from a typical cloud software company asks if DNS names can resolve to Class E IP addresses in tech support sites.

Disabling Automatic DNS Configuration in Windows 11 without Disabling DHCP

Learn how to disable automatic DNS configuration in Windows 11 while keeping DHCP enabled.

DNS Not Refreshed on Xfinity Router for WiFi: Troubleshooting Steps

Learn how to troubleshoot DNS not refreshed issues on Xfinity router for WiFi connections. Follow these steps to resolve the problem.

Preventing dnsmasq from Creating AAAA Records for Hosts using DHCPv6 in Dual-Stack Networks

In a dual-stack internal network where dnsmasq provides DNS, DHCP, and DHCPv6 services, learn how to configure it to prevent the creation of AAAA records for hosts using DHCPv6 while allowing IPv4 communications.

Managing Multiple DNS Records on One Domain with Different DNS Servers (Cloudflare as an Example)

Learn how to manage multiple DNS records on a single domain using different DNS servers, with Cloudflare as an example. Understand the implications and requirements.

Accessing Internal Services Remotely with Cloudflare WARP: A Self-Hosted DNS Solution for Censored Regions

Living in a heavily censored region, this article outlines how to set up a SNI proxy server and self-hosted DNS to redirect and access internal services remotely using Cloudflare WARP.

Setting up RPI3 with Docker, Portainer, WordPress, Google Domain, and No-IP DDNS

This article guides you through setting up an RPI3 with Docker, Portainer, WordPress, Google Domain, and No-IP DDNS. It covers steps to set up the RPI3, static IP, install Docker and Portainer, and install WordPress with necessary plugins.

Prioritizing One Domain Name Over Others: An RDNS Perspective

Learn how to prioritize one domain name over others in a server hosting multiple domain names. Understand the concept of RDNS and its importance in managing your domain names effectively.

Custom DNS Record Includes Port Number: A Solution for IoT Server Multiples Services

Learn how to create custom DNS records with port numbers to easily access multiple services on your IoT server with different ports. This guide provides a solution for OpenWRT users who want to specify hostnames for IP addresses without specifying the port number.

Understanding Dynamic Name System Architecture: A Comprehensive Guide

Explore the Dynamic Name System (DNS) architecture and learn how it works to provide a hierarchical and decentralized naming system for devices connected to the internet. Discover the benefits of DNS and how it simplifies the process of accessing websites and services. Read more to learn about other tech support topics.

Bind9 Equivalent to Dnsmasq's Resolv-File Option

Learn about the Bind9 equivalent to Dnsmasq's resolv-file option and how to configure it for your DNS needs. Improve your Linux skills and troubleshoot any DNS issues with this helpful guide.

DNS Server Configuration Not Working: Troubleshooting Guide

Having trouble with your DNS server configuration? Learn how to troubleshoot and fix common issues with our comprehensive guide. From understanding DNS basics to advanced configurations, we've got you covered. Read more for more tech support tips and tricks.

Can't Find 22.78.224.10.in-addr.arpa.: No Answer - Troubleshooting Guide

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