If you want to make sure that your DNS servers are working normally and returning the correct data, you can use our DNS advanced level of monitoring.

Here is a quick guide how to configure your DNS targets in your account^*.

Most of us are familiar with hacker attacks that shut down sites through a distributed denial-of-service (DDoS) attack. But as a refresher, a DDoS is an attack performed through a multitude of systems (usually compromised personal computers) on a single target.

Getting connected to the Web

Have you ever wondered how many different devices and servers are connected to the Internet every second? I was surprised to find out that now - in 2013 - almost 80 different products are connecting to the Internet every second. According to Cisco - this number will raise to 250 devices per second by 2020.

Transition of Postini accounts to Google Apps

If you are a Postini client, you are probably aware of the ongoing transition of all Postini accounts to Google Apps, which was announced on August 15, 2012. Since then, I have received several emails, spent a lot of time on the Postini transition website, and read of lot articles on how the transition is expected to proceed. There is a lot of information on the web, and the Postini transition website has several video tutorials that you might find useful. What I didn't find was a simple check list on how to proceed with the migration of the account settings from Postini. So far I have completed the transition for two domains and am getting ready to migrate our main domain so here is what you'll need to do.

If you are using our performance or full-page level of monitoring^*, you might not know what all browser emulation settings do. Here's what they are all about: