Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Online




Domain Digger vs MxToolBox Comments


- Domain Digger is Free and Open Source
MxToolBox is described as 'All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will guide you to other relevant tools and information' and is a website monitoring tool in the network & admin category. There are more than 25 alternatives to MxToolBox, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Self-Hosted apps. The best MxToolBox alternative is Domain Digger, which is both free and Open Source. Other great sites and apps similar to MxToolBox are Pingdom, techkit.net, HetrixTools and Upzilla.






Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.





HetrixTools offers minute-by-minute global uptime monitoring with 15 free monitors, blacklist alerts for IPs and domains, and server resource tracking. Features a user-friendly design, public uptime pages, white label reports, and continuous updates for enhanced functionality.



![(dark mode) Server Resource Monitoring [1]](https://d4.alternativeto.net/q8CuJSIoU-vXNj4JDQHleymjf6yKV8D7PhhvNTv5WNc/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL2hldHJpeHRvb2xzXzY3Mjg2MF9mdWxsLnBuZw.png)
Others only have 1 free monitor. Hetrix has 32 free monitors.


Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.






Free, and willing to show you the details without a subscription (rip free days of MXTB)


NsLookup shows all the DNS records for the website you're visiting. It has support for popular DNS servers like Google DNS, CloudFlare DNS and OpenDNS, but also local DNS servers all over the world.





SPFtoolbox is an open-source Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more


Supercharge your email campaigns with EmailCheck! Effortlessly verify email lists in bulk, export CSV reports & analytics. Ensure accurate, reliable outreach, saving time and boosting deliverability. Upgrade your email game and drive results with confidence.




It has a more modern and cleaner UI