Free MxToolBox Alternatives

The best free alternative to MxToolBox is intoDNS. If that doesn't suit you, our users have ranked more than 25 alternatives to MxToolBox and 19 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to MxToolBox are Nslookup, HetrixTools, SPFToolbox and DNSchecker.

MxToolBox alternatives are mainly Uptime Monitor Services but may also be Network Monitors or Website Audit Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of MxToolBox.

MxToolBox alternatives page was last updated

MxToolBox

Freemium • Proprietary
Uptime Monitor Service

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or...

More about MxToolBox

intoDNS
Is this is a good alternative?
Yes
No
Free • Proprietary
Online
26 intoDNS alternatives
intoDNS checks the health and configuration of DNS and mail servers.
- - intoDNS is the most popular free alternative to MxToolBox.
Suggest and vote on features
intoDNS Features
Custom Nameservers
Dns
DNS Server
Comments about intoDNS as a Alternative to MxToolBox
pros, cons and recent comments
Guest
Free, and willing to show you the details without a subscription (rip free days of MXTB)
Positive comment•
0
Nslookup
Is this is a good alternative?
Yes
No
Free • Proprietary
Online
13 Nslookup alternatives
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.
Suggest and vote on features
Nslookup Features
Dns
HetrixTools
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Uptime Monitor Service
Online
Software as a Service (SaaS)
57 HetrixTools alternatives
Free: Uptime Monitoring, Server Resource Monitoring, Blacklist Monitoring.
- - HetrixTools is the most popular SaaS alternative to MxToolBox.
Suggest and vote on features
HetrixTools Features
1. Website MonitoringHetrixTools can detect and resolve website performance issues proactively.
Blacklist monitoring
Server Monitoring
Status Page
Comments about HetrixTools as a Alternative to MxToolBox
pros, cons and recent comments
Guest
Others only have 1 free monitor. Hetrix has 32 free monitors.
Positive comment•
0
SPFToolbox
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
Online
Chrome OS
Self-Hosted
4 SPFToolbox alternatives
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, Linux & Self-Hosted alternative to MxToolBox.
- - SPFToolbox is the most popular Open Source alternative to MxToolBox.
Suggest and vote on features
SPFToolbox Features
REST API
Resume interrupted downloads
DNSchecker
Is this is a good alternative?
Yes
No
Free • Proprietary
Online
Software as a Service (SaaS)
6 DNSchecker alternatives
Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
DNSchecker has no features, suggest some!
Pingbreak
Is this is a good alternative?
Yes
No
Free • Proprietary
Uptime Monitor Service
Network Monitor
Online
Discord
Mattermost
Slack
Twitter
146 Pingbreak alternatives
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM)
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Pingbreak Features
1. Website MonitoringPingbreak can detect and resolve website performance issues proactively.
Email notifications
Redirection errors detection
Real-time monitoring
Fullscreen mode for TV
Bearer authentification
Slack integration
Timezone customization
Free API
Twitter Integration
Mattermost notifications
Curler by Amixr.IO
Is this is a good alternative?
Yes
No
Free • Proprietary
Uptime Monitor Service
Network Monitor
Online
163 Curler by Amixr.IO alternatives
Dead Simple Uptime Monitoring.
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Curler by Amixr.IO Features
1. Website MonitoringCurler by Amixr.IO can detect and resolve website performance issues proactively.
Web-Based
Cloud Monitoring
Server Monitoring
Performance Monitoring
Discontinued
https://amixr.io/Company sold to Grafana and product shelved.
Dnsstuff
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Network Monitor
Online
28 Dnsstuff alternatives
DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff.
Dnsstuff has no features, suggest some!
Port25 Email Verification
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Online
7 Port25 Email Verification alternatives
Discover the rich features in PowerMTA that help you adopt and adapt to changing email authentication standards including support for DKIM and SPF and setup for DMARC via an automated testing tool.
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Port25 Email Verification Features
Email testing
Blacklist monitoring
SMTP Support
SMTP Diag Tool
Is this is a good alternative?
Yes
No
Free • Proprietary
Windows
16 SMTP Diag Tool alternatives
SMTP Diag Tool is used to identify and troubleshoot SMTP server problems by trying to send a message to an SMTP server while displaying all diagnostic information in realtime in a log window.
Suggest and vote on features
SMTP Diag Tool Features
SMTP Support
Network Tools
Email monitoring
MailRadar
Is this is a good alternative?
Yes
No
Free • Proprietary
Network Monitor
Online
1 MailRadar alternatives
MailRadar is a Linux oriented community offering you free set of tools and latest news, articles and tutorials regarding mail servers and UNIX-like OS
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MailRadar Features
Network Tools
Add a screenshot
Upzilla
Is this is a good alternative?
Yes
No
Free • Proprietary
Uptime Monitor Service
Online
Software as a Service (SaaS)
192 Upzilla alternatives
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.
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Upzilla Features
Content monitoring