The Windows Server 2003 DC is decommissioned. Even those organizations still running Windows Server 2003 DCs needn't panic over the looming Windows Server 2003 end of support. Following this guide, ...

Internet users' experience highly depends on how efficiently the Domain Name Server (DNS) works while browsing the internet. The DNS converts human-understandable domain names to ...

Is there a mechanism in place to authenticate an SMTP server as an authorized or legitimate sender of e-mail for a domain? Two mechanisms used to check if a mail-sending machine is legitimate for a ...

Using a simple Excel formula and some creative page previewing teamed up with the Link Counter add-on for Firefox can help check header response, server status codes on a list of URLs in no time.

We have noticed that sometimes, Windows fails to resolve the domain name when one tries to ping it or do nslookup. Sometimes, when trying to run the nslookup command, they encounter this; however, on ...