Email Validator

Validate email format and check MX records.

Result:

 
 
 
  
  
 
 
What does Email Validator do?
 
Validates email format and checks MX records (whether the domain accepts mail). Client-side format check + DNS lookup for MX.
 
What is it used for?
 
     
  • Forms: Pre-validation before submit
    •  
  • Lists: Clean invalid email addresses
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  • Debugging: Verify domain has mail servers
    •  
 
How it works
 
Format check uses RFC 5322-style regex. MX check uses Google DNS (type 15). Does not verify if the mailbox exists.
 
 
 
 

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