MX Toolbox provides a variety of features, including:
Blacklist Check: Find out if your IP address is on any of the 100+ DNS-based blacklists. SMTP Test: Verify your SMTP server is configured correctly and capable of sending emails. DNS Lookup: Check your DNS records to ensure everything is set up correctly. MX Lookup: Identify your domainâs mail servers and check their configuration. Monitoring: Get alerts for changes in DNS records, blacklisting status, and more.