
GTmetrix
Pingdom
Free DNS, SSL, WHOIS, speed and uptime checks that show their raw data.

UptimeRobot
Pingdom
EasyDMARC
HetrixTools
dmarcian
Mail Tester
Uptime Kuma
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

Which is more popular?
Based on our record, MxToolBox seems to be more popular. It has been mentioned 201 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sitechecktools.com | mxtoolbox.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


SiteCheckTools answers the technical questions a site owner has a few times a year, usually mid-migration or mid-outage. Is the new DNS record visible yet? When does the certificate expire? Is the site down for everyone or only for me? Where does this redirect actually end up? There are nine...
No description of MxToolBox yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of SiteCheckTools yet.
Overall verdict
Why this product is good
Recommended for
MxToolBox is highly recommended for IT professionals, network administrators, email server administrators, and anyone responsible for maintaining the health and security of network systems. It is also beneficial for businesses of all sizes that rely on email communication and need to ensure their servers and domains are functioning correctly and not blacklisted.
Walkthroughs and reviews on video.
No SiteCheckTools videos yet. You could help us improve this page by suggesting one.
Episode 201 - Tools, Tips and Tricks - MXToolbox.com
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using SiteCheckTools and MxToolBox. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking SiteCheckTools since Oct 2026.
Did you do blacklist (and other) checks with https://mxtoolbox.com/ ? - Source: Hacker News / 19 days ago
Made the switch to self-hosted https://mailu.io (on k8s) 2 years ago when Gandi announced the deprecation of their free plan. Happy after IP was off most blocklists, but setup was kinda rough - https://mxtoolbox.com is your friend. - Source: Hacker News / over 1 year ago
I used these tools in the past: https://mxtoolbox.com/ https://www.mail-tester.com/. - Source: Hacker News / over 2 years ago
When comparing SiteCheckTools and MxToolBox, you can also consider the following products.

GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Compare GTmetrix to SiteCheckTools or MxToolBox:


With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Compare Pingdom to SiteCheckTools or MxToolBox: