DNS

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The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

Related Topics

  1. Networking
  2. Active Directory
  3. Windows Server 2003
  4. Windows Server 2008
  5. Exchange
  6. DHCP
  7. SBS
  8. TCP/IP
  9. Windows Networking
  10. Microsoft Server OS
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Hi Guys,

When I try and run a BPA on the DNS I get the following error. this is currently running on a Hyper-V Virtual machine running Windows Server 2008 R2.

Please help

The Active Directory…

215 views
Free learning courses: Active Directory Deep Dive
Free learning courses: Active Directory Deep Dive

Get a firm grasp on your IT environment when you learn Active Directory best practices with Veeam! Watch all, or choose any amount, of this three-part webinar series to improve your skills. From the basics to virtualization and backup, we got you covered.

I am configuring the NSG for inbound traffic for a Virtual Machine hosted in Azure.
The inbound rule looks as follows:



The advisor is alerting that connetions say any / any
I need to leave …

610 views

Hello people,

I have been reading a little up on the NETDOM command, but most threads conclude to renaming your Domain Controller.  I would, basically, like to adjust a domains Fully Qualified …

920 views

We are looking at doing a DNS web filtering service. We have public WiFi so we feel this is the easiest way to avoid an ssl mismatch.
If we did do DNS filtering, would it be logical for us to block …

512 views

My home network is unreachable. Being in a 192.168... wifi cable network, the regular IP address of the different devices are unreachable. The DHCP gets a DNS server outside of the devices' network, …

1837 views

In all of my setups, I relay outgoing email from servers to our mail server which keeps things simple in terms of DNS records, etc.
However, every now and then, during development, something starts …

1012 views

I am having a sporadic issue with one of my domains. For most email providers, mail flows normal. However for others the mail will be returned undeliverable. The bounce messages aren't very helpful as…

228 views

when user logs into his workstation , which is joined to the domain.

how it works, i said in an interview that it is through LDAP which connects to domain controller

answer was not satisfying, …

329 views

I am building a Domain for a SMB. They have 10 users in the office. I am putting in a HP ML110 with AD, DNS, DHCP, File/print, sql exppress, that's it. My question is how I should approach the build. …

426 views

I just noticed that a server that is obtaining it's IP and DNS automatically has a DNS IP as it's alternative that doesn't exist in our AD.  

I did an ipconfig /flushdns, then ipconfig /all and it …

715 views
What is SQL Server and how does it work?
What is SQL Server and how does it work?

The purpose of this paper is to provide you background on SQL Server. It’s your self-study guide for learning fundamentals. It includes both the history of SQL and its technical basics. Concepts and definitions will form the solid foundation of your future DBA expertise.

I performed a nslookup from our Exchange 2007 server because the old DC/GC/DNS appears in the system settings.  I nslookup our main DC/GC/DNS server and I got this:

C:\WINDOWS>nslookup …

829 views

Hi,
Our school network has the following:
Sonicwall NSA 250 M Router (acts as gateway and also handles a separate VLAN)
Network address  192.168.1.0 / 24 (subnet mask 255.255.255.0)
Single DC …

1444 views

I installed a DNS caching only (windows 2016) to use it for the mailserver to query it, so it would resolve domains faster when the result is cached.
The mailserver smartermail has a build in spam …

1117 views

I have a recovery situation that I am currently trying to rectify. We had a data store fill up on a SAN, bringing down all VMs within that Datastore. We just recently brought both our primary and …

256 views

Hello,

I need to demote one of our domain controllers, it's 2008 R2.  This was the previous FSMO role holder but I successfully migrated those roles to another server last week and all is well and …

122 views

Hi,
I am in the process of migrating from Ex2010 to Ex2016.

On the 2010 machine, I am checking all namespaces to make sure they are as I expect. All look good, but I do have a question about the …

535 views

We are building a new site on a new server and plan to transfer our current domain name to the new site/server. Some of the pages in our current site will remain on the current server and in order to …

445 views

Currently I have a website that forwards to another website using GoDaddy's "Domain Forwarding" option.  Example:
When someone goes to www.Site1.com, it forwards to an entirely different domain …

1143 views

I am setting up a site in an Azure VM Windows 2012 server. The DNS is pointing to the external IP of that machine.
Yet, when I go to IIS to bind the site to that IP the IP is not displayed in the …

2345 views
Resolve Critical IT Incidents Fast
Resolve Critical IT Incidents Fast

If your data, services or processes become compromised, your organization can suffer damage in just minutes and how fast you communicate during a major IT incident is everything. Learn how to immediately identify incidents & best practices to resolve them quickly and effectively.

Hi

We have a customer who currently have a local AD running Exchange 2010 and have been fine for years
They want to change over to O365 for emails - note there is a single AD domain currently but …

938 views

In DNS logs. What kind of requests are the "SOA" " (6)_msdcs(8)domain(3)net(0)" requests? It looks like they mainly come from other DNS servers. I see that its a start of authority record but it looks…

133 views

On Exchange 2010 in Event Viewer I'm getting 205 errors: "No DNS servers could be retrieved from network adapter b6ec8a19-09c6-4450-b4f5-77f54556e860. Check if the computer is connected to a network …

651 views

Hi,

we established a site to site VPN between a Cisco ASA and a Fortinet firewall. They are two different domains on each site. In the site with Fortinet firewall , we can ping the resources on the…

641 views

Hi,
I have one DNS server at each remote location. Each DNS server sync with main office DNS server.
I would like to create A record that point to different server base on the location of office. …

1145 views

Good morning. I am in the planning stages of converting a company with two offices in different cities from peer-to-peer to client-server. The sites will be connected via VPN with a DC at each …

447 views
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201506-LO-Top-001

DNS

25K

Solutions

12

Articles & Videos

25K

Contributors

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

Related Topics

  1. Networking
  2. Active Directory
  3. Windows Server 2003
  4. Windows Server 2008
  5. Exchange
  6. DHCP