DNS has always been a critical component or VMware server-based virtualization. When an ESX or ESXi cluster came into the mix, its criticality increased exponentially. One of the big differences ...

Stop memorizing IPs like a caveman.

Released with Windows 2000 and later versions, Nslookup is a command-line tool that lets you test and troubleshoot Domain Name System (DNS) resolution. To start nslookup, open a command prompt and ...

I am undertaking an enormous network redesign in an attempt to both teach myself Linux System Admin and sharpen some other skills. I thought this would be a good palce to start (DNS).<BR><BR>What I ...

I have a 3-site network with S2S IPSec tunnels connecting each to each, as follows: I have Windows Server 2016 and 2022 running AD DS and DNS at the main office, but pfsense doling out DHCP addresses ...

You've probably used the ipconfig command to view TCP/IP settings and renew a DHCP lease. In addition to these tasks, ipconfig can also help you manage DNS settings on a computer. For example, the DNS ...

Figuring out what's wrong with DNS will go faster if you have a set of troubleshooting steps to follow. Brien Posey shares his approach to isolating the cause of DNS problems. DNS is one of the most ...