https://rdr-it.com/en/tag/dns/System administration, virtualization, security and tools for IT professionals.en-USFri, 09 Oct 2026 17:31:24 +0000https://rdr-it.com/en/generate-a-lets-encrypt-wildcard-certificate-with-certbot-and-cloudflare-dns-01/Wed, 19 Aug 2026 04:30:00 +0000https://rdr-it.com/en/generate-a-lets-encrypt-wildcard-certificate-with-certbot-and-cloudflare-dns-01/Step-by-step tutorial for generating a Let’s Encrypt wildcard certificate with Certbot using the DNS-01 challenge for a domain hosted on Cloudflare.https://rdr-it.com/en/powershell-resolve-a-dns-name-with-resolve-dnsname/Wed, 07 Jan 2026 05:30:00 +0000https://rdr-it.com/en/powershell-resolve-a-dns-name-with-resolve-dnsname/In this tutorial, I will explain how to use PowerShell to perform DNS name resolution using the Resolve-DnsName command. This built-in Windows tool makes it easy to query …https://rdr-it.com/en/configure-a-dns-forwarder-on-windows-server-with-powershell/Wed, 02 Apr 2025 04:30:00 +0000https://rdr-it.com/en/configure-a-dns-forwarder-on-windows-server-with-powershell/In this tutorial, I will explain how to add a DNS forwarder on Windows Server using PowerShell. The Cmdlets used in this tutorial are launched in a PowerShell window run …https://rdr-it.com/en/windows-dns-server-error-404-407-408-with-virtual-machine-on-hyper-v/Wed, 23 Nov 2022 05:30:00 +0000https://rdr-it.com/en/windows-dns-server-error-404-407-408-with-virtual-machine-on-hyper-v/In this tutorial, which is a special case, I will explain how to solve the 404, 407 and 408 error that can occur on a DNS server with Windows Server under the following …https://rdr-it.com/en/delete-a-dns-zone-on-windows-server/Wed, 12 Oct 2022 04:30:00 +0000https://rdr-it.com/en/delete-a-dns-zone-on-windows-server/In this tutorial, I will explain how to delete a DNS zone on Windows Server. Open the DNS administration console {#Ouvrir-la-console-d’administration-DNS} On the Windows …https://rdr-it.com/en/dns-delete-a-record-on-windows-server/Wed, 06 Jul 2022 04:30:00 +0000https://rdr-it.com/en/dns-delete-a-record-on-windows-server/In this “How To” tutorial, I will explain how to delete a DNS record on Windows Server with the DNS Manager console. Delete a DNS record Open the DNS Manager console On a …https://rdr-it.com/en/gpo-force-dns-computer-registration/Wed, 25 May 2022 04:30:00 +0000https://rdr-it.com/en/gpo-force-dns-computer-registration/In this tutorial, I will explain how to force DNS registration of computers by Group Policy (GPO) in an Active Directory environment. Maintaining a clean, up-to-date DNS …https://rdr-it.com/en/add-a-dns-zone-on-windows-server/Wed, 27 Oct 2021 04:30:00 +0000https://rdr-it.com/en/add-a-dns-zone-on-windows-server/In this “how to” tutorial, I will show you how to add a DNS zone on a Windows DNS server. Open the DNS console On a server where the DNS role is installed, open the DNS …https://rdr-it.com/en/windows-server-2022-installation-of-an-active-directory-domain-controller/Wed, 06 Oct 2021 04:30:00 +0000https://rdr-it.com/en/windows-server-2022-installation-of-an-active-directory-domain-controller/In this first tutorial dedicated to Windows Server 2022, I will show you how to install an Active Directory domain controller. Si vous débutez avec les services Active …https://rdr-it.com/en/use-the-hosts-file-to-simulate-a-dns-record-on-windows/Wed, 18 Aug 2021 04:30:00 +0000https://rdr-it.com/en/use-the-hosts-file-to-simulate-a-dns-record-on-windows/Location of the hosts file : C:\Windows\System32\drivers\etc. Pour ajouter un enregistrement : 1. Start notepad as administrator. 2. Open the hosts file located in …https://rdr-it.com/en/manage-the-dns-cache-on-windows-server/Wed, 28 Apr 2021 04:30:00 +0000https://rdr-it.com/en/manage-the-dns-cache-on-windows-server/In this “tutorial”, I will give you some PowerShell cmdlets to manage your DNS server cache on Windows Server. To be more precise, we will see 4 cmdlet PowerShell * …https://rdr-it.com/en/powershell-configure-an-ip-address/Tue, 29 Dec 2020 05:30:00 +0000https://rdr-it.com/en/powershell-configure-an-ip-address/In this tutorial, I will walk you through how to configure an IP address and DNS servers using PowerShell. The first step will be to retrieve the Index from the card. …https://rdr-it.com/en/windows-server-dns-enable-zone-cleaning/Thu, 29 Oct 2020 05:30:00 +0000https://rdr-it.com/en/windows-server-dns-enable-zone-cleaning/In this "how to" tutorial, I will explain how to enable DNS zone cleanup on Windows Server.https://rdr-it.com/en/iis-add-a-site-based-on-the-dns-name/Wed, 22 Jul 2020 04:30:00 +0000https://rdr-it.com/en/iis-add-a-site-based-on-the-dns-name/IIS: add a site based on the DNS name This “How to” tutorial explains how to add a site to an IIS web server based on the DNS name. Create the folder that will host the …https://rdr-it.com/en/dnssec-sign-a-dns-zone-with-windows-server/Mon, 26 Aug 2019 02:00:08 +0000https://rdr-it.com/en/dnssec-sign-a-dns-zone-with-windows-server/DNSSEC (Domain Name System Security Extensions) is an extension of the DNS protocol that adds security to the DNS protocol by signing the records by a public / private …https://rdr-it.com/en/ipam-installing-and-configuring-ip-address-management-on-windows/Wed, 10 Jul 2019 13:10:20 +0000https://rdr-it.com/en/ipam-installing-and-configuring-ip-address-management-on-windows/Presentation of IPAM IP Address Manager (IPAM) is a feature built into Windows Server that allows you to set up an administrator tool and analyze DHCP scopes and have an …https://rdr-it.com/en/dns-resolution-based-on-client-ip-address-with-windows-server/Fri, 28 Jun 2019 02:00:34 +0000https://rdr-it.com/en/dns-resolution-based-on-client-ip-address-with-windows-server/In this tutorial I will explain how to make sure that the DNS resolution with Windows Server is done according to the IP address of the client. There are two solutions …https://rdr-it.com/en/windows-server-change-the-ttl-of-dns-records/Fri, 21 Jun 2019 06:25:25 +0000https://rdr-it.com/en/windows-server-change-the-ttl-of-dns-records/Introduction TTL (Time To Live) is the time to keep the server’s DNS response in the client cache before a new request is made. By default the TTL is: 1 hour for static …https://rdr-it.com/en/setting-up-a-read-only-domain-controller-rodc/Tue, 23 Apr 2019 02:00:52 +0000https://rdr-it.com/en/setting-up-a-read-only-domain-controller-rodc/Introduction In this article, we are going to have how to set up a read-only domain controller (RODC). This type of controller, as the name suggests, is read-only, so it …https://rdr-it.com/en/dns-conditional-redirector/Sat, 06 Apr 2019 02:00:42 +0000https://rdr-it.com/en/dns-conditional-redirector/Presentation of conditional forwarder In this article, I will explain and show you how to set up a conditional forwarder on a Windows DNS server. As a reminder, DNS …