DNS check

DNS (Domain Name Servers) are working in the background to connect the Internet domain names with IP addresses. Most people look at DNS as something that "should just work" BUT, it does not always. Therefore, companies with business critical web applications has every reason to monitor their DNS.

DNS is normally a very reliable service. Finding and identifying DNS failure can be difficult because many symptoms are similar to ordinary network problems such as random periodic timeouts and failure in "name lookups ".

DNS check with Apica WebPerformance ™

Apica now offers DNS checks as a check type in the  Apica WebPerformance ™ monitoring service.

With DNS checks, you can monitor and verify that your DNS service is functioning correctly and generate warnings when the DNS service does not function according to the Internet standard. 
The checks also give you suggestions on possible sources of error and what can be done to fix the problems. In many cases, check results can also be used to rule out DNS failure as the source of error and operations staff can move on in their troubleshooting.

Features

• Detects and identifies most types of DNS errors that may occur as well as shortcomings in the configuration.
• Simulates the normal operation of the DNS service through controls that are "nonintrusive"
• Monitors the basic DNS functions such as the ability to answer questions and measures the response times for performance problems.
• Results are presented in a web-based intuitive graphical interface. 

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