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Monitoring as a service

Email Down ALERT
Blacklist ALERT

All Free Tools

Email Tools
Blacklist Check
Send Test Email
Email Address Check
MX Server(s) Lookup

Network Tools
DNS Lookups
IP Locator
Trace Route
Port Test

Other Tools
HTML Validator
Password Strength

Send Test Email from the Internet
Enter an email address (example me@domain.com) to test DNS and MX records as well. Connects to SMTP server and pretends to send a message to the first two MX servers. Does not actually send an email, only pretends to, but disconnects before sending.

Example: me@mydomain.com