How Often are You Asked “Is the Website Down?” Such calls can lead to hours of lost time only to find out it was a minor issue for a limited user base. Do you have the tools in place to proactively detect and deal with such issues?
AT&T and GoDaddy’s Domain Name Server (DNS) outages impacted vast areas of the Internet when they hit in 2012, taking down millions of websites. Learn more about the DNS process and take steps to protect your website from potential DNS disasters in 2013.
Doing DNS Monitoring Right: The AT&T DNS Outage: The AT&T domain name server (DNS) outage of Aug. 15, 2012 exemplifies why a “non-cache based” method for monitoring of websites is important for mission-critical websites. Firstly, a bit of a review. The most common, basic form of website monitoring is conducted using a synthetic browser (not an actual browser), which connects to the target server via an HTTP request process. A number of server-focused processes, such as the availability of the target server, the time it takes to load the HTML file for the website from the server, and the capability to detect keywords within the HTML file are checked via the use of a synthetic browser using an HTTP request process.
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