Free tools
A collection of free online utilities to help with email, DNS, and more.
AI Email Writer
Write professional emails with our free AI email generator.
Spam Checker
Analyze your email draft for potential spam words and phrases.
Email Open Rate Calculator
Calculate the open rate of your email marketing campaign instantly and accurately.
MX Record Checker
Check the MX record of any domain to verify and troubleshoot email delivery issues.
SPF Record Checker
Check your domain's SPF records to identify configuration issues and reduce spoofing risk.
DKIM Record Checker
Verify the DKIM record of any domain to validate email authentication setup.
DMARC Record Checker
Check the DMARC record of any domain to review policy setup and strengthen email security.
SPF Record Generator
Generate SPF records instantly to support email authentication and better deliverability.
DMARC Record Generator
Create DMARC policies that help reduce spoofing and phishing risk for your domain.
Email Header Analyzer
Analyze email headers to trace delivery path, check authentication, and troubleshoot issues.
DNS Propagation Checker
Check DNS propagation status worldwide and verify your DNS changes across global servers.
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