Email Tools
Fix deliverability with SPF, DKIM, DMARC and header analysis.
Autodiscover Checker
Test Exchange and email Autodiscover DNS records for automatic client configuration.
BIMI Record Checker
Verify your Brand Indicators for Message Identification (BIMI) DNS record and SVG logo.
DKIM Checker
Find and validate your DKIM public key, with automatic selector discovery.
DKIM Key Generator
Generate DKIM private and public keys along with the DNS TXT record.
DMARC Checker
Look up and validate your DMARC record, and see what it actually protects.
DMARC Generator
Build a DMARC record and know exactly what it will and will not block.
DMARC Report Parser
Parse and visualize XML DMARC aggregate reports into readable data.
Disposable Email Checker
Detect if an email address belongs to a temporary or disposable email provider.
Email Address Validator
Validate email syntax and verify if the receiving mail server actually exists.
Email Blacklist Checker
Check if your mail server IP or domain is listed on major DNSBL anti-spam blacklists.
Email Header Analyzer
Trace an email's path, time each hop, and read its SPF/DKIM verdicts.
MTA-STS Checker
Check your MTA-STS policy and DNS record to ensure secure email transport.
MX Lookup
Find where a domain's email is delivered, with priorities and provider detection.
SPF Checker
Validate your SPF record and count DNS lookups against the 10-lookup limit.
SPF Generator
Build a valid SPF record and see its DNS lookup cost before you publish it.