Best Diagnostics Software in 2025

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

Key MxToolBox features:

Ease of Use Comprehensive Tools Speed Free Tier

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Key Netumo features:

Monitoring SSL Monitoring Twitter SMS notifications

Try for free freemium $9.0 / Monthly (Lite plan)

The worry-freeinternational money app.

Key Zing features:

User-Friendly Interface Diverse Range of Features Cross-Platform Accessibility Strong Community Support

IntoDNS checks the health and configuration and provides DNS report and mail servers report.

Key intoDNS features:

Comprehensive Analysis User-Friendly Interface Free to Use Fast Results

DNS is a free online service to check your domain’s servers for common DNS and mail errors and produces a report with explanations how to fix them.

Key DNSInspect features:

Comprehensive Analysis User-Friendly Interface Quick Results Cost-Effective

Learn how AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost. .

Key AWS Auto Scaling features:

Cost Efficiency Improved Availability Scalability Load Balancing Integration

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.

Key Dnsstuff features:

Comprehensive Tool Set User-Friendly Interface Detailed Reporting Reliable Performance

Faronics Deep Freeze provides the ultimate workstation protection by preserving the desired computer configuration and settings.

Key Faronics Deep Freeze features:

System Restore on Reboot Reduced Maintenance Costs Enhanced Security Flexibility

Enterprise solution at a low price. Powerful functionality with fast and reliable support.

Key Universal Data Access Components features:

Direct Mode Mobile Development Database Compatibility IDE Compatibility

paid Free Trial $299.95 / One-off

Provides a comprehensive test and report on the health of your DNS.

Key DNSsy features:

Comprehensive DNS Testing User-Friendly Interface Detailed Reporting

Audit your domain name DNS settings easily and quickly.

Key Audit DNS features:

Comprehensive DNS Analysis User-Friendly Interface Detailed Reporting Automated Scans

IBM Cloud Bare Metal Servers is a single-tenant server management service that provides dedicated servers with maximum performance.

Key IBM Cloud Bare Metal Servers features:

High Performance Customization Dedicated Resources Scalability

DNSDataView allows you achieve DNS health status and more of specified domain names via analysis of their DNS records like MX, MS, A, and SOA.

Key DNSDataView features:

Lightweight Portable User-Friendly Interface No Installation Required

DNSQuerySniffer is a system sniffer utility that demonstrates the DNS inquiries sent on your framework.

Key DNSQuerySniffer features:

User-Friendly Interface Freeware Detailed Information No Installation Required