dmarcian
EasyDMARC
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Mimecast Gateway
Dmarceye.com
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HetrixTools
UptimeRobot
Pingdom
MxToolBox
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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.
dmarcian HetrixToolsHetrixTools might be a bit more popular than dmarcian. We know about 16 links to it since March 2021 and only 14 links to dmarcian. 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.
There's the problem then. Try and figure out whats not configured properly. You can also test the domain at https://dmarcian.com/ Check you emails from Apple and see make sure your DNS settings match what Apple sent you and also set a DMARC policy, even something basic like v=DMARC1; p=none would do for the time being. Source: 11 months ago
I have published a DMARC record a week ago using the generator at https://dmarcian.com/... I have published SPF and DKIM, which both show as being valid for my domain, but DMARC doesn't show up. I have tried configuring it different ways, adding and deleting, and nothing will get these checkers to show that it's valid. Source: over 1 year ago
Excellent response. I'd also add using https://dmarcian.com to help check along with mxtoolbox.com. Source: over 1 year ago
This is a screenshot from Instantly. Tried using the checker on dmarcian.com as well and it gave me the same error. Source: almost 2 years ago
It's been a few days since I've configured the SPF/DKIM on my domain but the DMARC I put in isn't working. I snagged a record from dmarcian.com. Source: almost 2 years 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: about 1 year ago
HetrixTools about the best free service I've used that includes that. Source: over 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: almost 2 years 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: about 2 years ago
EasyDMARC - Cloud Native DMARC
UptimeRobot - Free Website Uptime Monitoring
PowerDMARC - Stop hackers to send emails from your domain
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.
Proofpoint - Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.
MxToolBox - All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.