Port Monitor might be a bit more popular than NIXStats. We know about 1 link to it since March 2021 and only 1 link to NIXStats. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Nixstats.com - Free for one server. E-Mail Notifications, public status page, 60 second interval and more. - Source: dev.to / almost 3 years ago
I suppose what I need is an online service that lets my server ping said service, and when the pings stop coming, to notify me that something's wrong. I don't want to open any ports on the network for that device for, say, a service like port-monitor.com to get to. Source: over 1 year ago
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