Two-fifths of business networks show evidence of DNS tunnelling, the latest security report from network control firm Infoblox reveals. DNS tunnelling is a technique used to send and receive data ...

If you're troubleshooting some network problems in your office and some computers are connected to a router, you may need the IP address of each computer, its primary DNS server and the default router ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Without the Domain Name System, the internet would ...