Based on our record, MxToolBox seems to be a lot more popular than Port Monitor. While we know about 198 links to MxToolBox, we've tracked only 1 mention of Port Monitor. 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.
Suprised to not see https://mxtoolbox.com in this list too. - Source: Hacker News / 4 months ago
MX Toolbox - https://mxtoolbox.com/ - may be a place to start digging. Source: 5 months ago
You can try https://mxtoolbox.com/. Source: 5 months ago
The url I want is https://mxtoolbox.com/ and the https://mxtoolbox.org/ one redirects to malware. Source: 5 months ago
A good diagnostic is whether the site will send you a password reset request. If it does then it actually might be the form plugin. If not then go to https://mxtoolbox.com/, type your domain name, and then select "SPF Record Lookup" from the orange button-looking dropdown. Source: 5 months 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
HetrixTools - FREE Uptime Monitoring + Server Monitoring + Status Page + Blacklist Monitoring!
UptimeRobot - Free Website Uptime Monitoring
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
RapidSpike - RapidSpike is a reliability, performance and security monitoring service for transactional websites. Using next-generation synthetic monitoring & deeper than ever before data, RapidSpike is for businesses serious about protecting their online revenue
BlacklistAlert - BlacklistAlert is a simple to use website that offers the lookup service to its client.