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.
Domain Digger is the most popular Web-based alternative to MxToolBox.
Domain Digger is the most popular Open Source & free alternative to MxToolBox.
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.
This alternative is disputed. Pingdom is a legitimate MxToolBox alternative, but it might have issues that some users think are important.
Pingdom is the most popular commercial alternative to MxToolBox.
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/xyNIHvoDCy5Fiom_dZpodsqKi6Vnx_EAUgZjZJf-nis/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL2hldHJpeHRvb2xzXzY3Mjg2MF9mdWxsLnBuZw.jpg)
Others only have 1 free monitor. Hetrix has 32 free monitors.
HetrixTools is the most popular SaaS alternative to MxToolBox.
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.
Echo is the most popular Linux alternative to MxToolBox.
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.
Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.
OneUptime is the most popular Self-Hosted alternative to MxToolBox.
SPFtoolbox is an open-source Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more
SPFToolbox is the most popular Windows & Mac alternative to MxToolBox.
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It has a more modern and cleaner UI