Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...

What if the Domain Name System (DNS) ensured that only authenticated and authorized users could access a company's email server or VPN gateway? That's what one of two new technologies for DNS name ...

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 ...

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 ...

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 ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...