If you are looking for a quick and easy way to monitor all your domains and know when any of them is not working as expected, then this is a service you should definitely become acquainted with. Monitro can take care of looking after an unlimited number of URLs, and reporting on their downtime via email.
When any of your sites goes down, you will get an email letting you know about it so that you can act immediately. And you can have a unique notification e-mail for each URL that is being monitored. In practice, this means that the person who should (and could) do something about it will be the first to know.
The free version of Monitro can take care of looking after up to three different domains at the same time. If you want to monitor more than that, then you will have to upgrade to any of the paid plans that are offered: Standard, Pro and Enterprise. These make for monitoring up to 15, 50 and 100 URLs respectively.
Monitro.net In Their Own Words
Monitro is a website monitoring solution that will allow you to monitor up to 3 websites for FREE! Additional sites may be monitored by subscribing to the plan that best fits your needs.
Why Monitro.net It Might Be A Killer
It makes for reducing the damage caused by server downtimes more than considerably – the minute anything goes wrong, the appropriate person will be contacted.
Some Questions About Monitro.net
Will other notification methods ever be supported? What about text messages? Other apps let you do that. 
