intoDNS
MxToolBox
Dnsstuff
Pingdom
UptimeRobot
SolveDNS
DNSInspect
DNSChecker.org
HetrixTools
UptimeRobot
Pingdom
MxToolBox
StatusCake
Uptime Kuma
OnlineOrNot
RapidSpike
Minimize your downtime by being the first to know about it! Start off with 15 Uptime Monitors, checked every 1 minute, from around the world, completely FREE forever.
The simple, yet effective way of monitoring all of your IPs & Domains and notice if any of them get blacklisted on the most popular blacklists, so you can immediately take action to find the cause and start the delisting procedures, before it gets to affect your clients or your network reputation.
intoDNS HetrixToolsHetrixTools might be a bit more popular than intoDNS. We know about 16 links to it since March 2021 and only 12 links to intoDNS. 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.
You can check the DNS with whatismydns.net and intodns.com. Source: about 1 year ago
Feel free to check https://intodns.com/ and https://www.whatsmydns.net/ to monitor propagation and ensure the DNS records are correctly set. Source: about 1 year ago
Just in case, it would be a good idea to check the DNS with a tool like intodns.com, just to make sure everything is working as intended. Source: about 1 year ago
I know this is a little old but I came across some of my tools I used when going through bookmarks: - https://mail-tester.com Although I already mentioned this above, this has been a lifesaver when it comes to figuring out why 3rd parties are rejecting your mail - https://intodns.com Helps give you a more thorough view into how your DNS settings are configured. - https://mailu.io Not a diagnostic tool, but a... Source: over 1 year ago
If you need external confirmation of things, intodns.com and dnschecker.org are both pretty good. Source: over 1 year ago
You can use "htop" command to view current CPU, RAM and SWAP usage, also see which process is taking up how much of each resource. And if you want to collect data over time, you can use a monitoring agent like https://hetrixtools.com/ to monitor network, cpu, ram, disk access etc all of the time. Source: 12 months ago
HetrixTools about the best free service I've used that includes that. Source: about 1 year ago
You can use hetrixtools Uptime Monitor for free. Https://hetrixtools.com Better Uptime is also good. Https://betterstack.com/better-uptime. Source: over 1 year ago
I'm using Ziply and they have been pretty much rock solid. I have a free uptime service via https://hetrixtools.com/ and they claim that in 2022 my uptime percentage is 99.9990%. And likely some of that is when I have decided to reboot my router. Source: over 1 year ago
Perhaps monitor from outside though unless you run it yourself I don't think every second would be easy to find. A couple of possibilities: https://hetrixtools.com/ and https://uptimerobot.com/. Source: almost 2 years ago
MxToolBox - All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
UptimeRobot - Free Website Uptime Monitoring
Dnsstuff - DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.
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
SolveDNS - SolveDNS works to check your name servers, a records, and mail servers, SOA records for errors, consistency, efficiency and speed using several DNS tests.