In this detailed guide, we will look at how to implement DNS split-brain policies in an Active Directory environment. Creating a split-brain DNS setup is crucial for managing different DNS responses based on whether the request is internal or external. This can help streamline network traffic, improve security, and ensure that internal and external users…
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Setting up a standalone DNS server is a fundamental step in managing network resources efficiently. While numerous DNS servers exist, customizing your own ensures tailored control and enhanced security. In this guide, we’ll delve into the installation and configuration of DNS servers on Windows Server platforms, streamlining the process for seamless implementation. Please see how…
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Active Directory Domain Services (AD DS) uses Domain Name System (DNS) name resolution services to make it possible for clients to locate domain controllers and for the domain controllers that host the directory service to communicate with each other. AD DS enables easy integration of the Active Directory namespace into an existing DNS namespace. Features such as Active Directory-integrated…
Active Directory Domain Services (AD DS) uses Domain Name System (DNS) name resolution services to make it possible for clients to locate domain controllers and for the domain controllers that host the directory service to communicate with each other. AD DS enables easy integration of the Active Directory namespace into an existing DNS namespace. Features such as Active Directory-integrated…
Read More “Domain Name System: How to create a DNS record” »
When this error message pops up, users are unable to sign-in to their devices in the domain. “We can’t sign you with this credential because your domain isn’t available. Make sure your device is connected to your organization’s network and try again. If you previously signed in on this device with another credential, you can…
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A DNS query (also known as a DNS request) is a demand for information sent from a user’s computer (DNS client) to a DNS server. When prompted with the following error as shown below. In this guide, I will show you how to fix “the following error occurred when DNS was queried for the service…
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In this article, you will learn how to fix “The following errors occurred attempting to join the domain: The specified domain either does not exist or could not be contacted”. An Active Directory domain is a collection of objects within a Microsoft Active Directory network. Please see how to schedule and run Windows Update via Windows Admin Center,…
When faced with this issue, you should take a close look at your DNS Server. The reason for this error is there is not a reverse Lookup Zone configured on the server or the reverse zone is crashed or does not have the right information. In this article, I will show you how to fix…
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DNS is a server role that you can install by using Server Manager or Windows PowerShell commands. If you are installing a new Active Directory forest and domain, DNS is automatically installed with Active Directory as the Global Catalogue server for the forest and domain. In this article, we shall discuss “What happens when WDS…
In this article, we shall discuss how to locate and edit the host file on macOS. The hosts file on a Mac is a plain text file that maps hostnames to IP addresses. It’s a crucial part of the operating system’s networking configuration. This file allows you to override DNS settings for specific domains. Please…
Windows includes a local ‘Hosts’ file that contains domain names and matching IP addresses, acting as a map to identify and locate hosts on IP networks. Every time you visit a website, your computer will check the host’s file first to see which IP address it connects to. If the information is not there, your…
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An SPF record is a TXT record that is part of a domain’s DNS zone file. The TXT record specifies a list of authorized hostnames/IP addresses that mail can originate from for a given domain name. Kindly refer to the following similar guides: How to add a custom domain name to Azure Active Directory, and…
When NSLOOKUP displays errors, it’s essential to understand its role as a command line DNS querying tool. It first examines network configuration to find the IP address of the DNS server your computer relies on. Then it does a reverse DNS lookup on that IP address to determine the name of the DNS server. If…
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