Ensure email reaches inboxes. SPF, DMARC, DKIM, MX records, blacklist checks, sender reputation, and more.
10 tools in this category
Email Spoofability
Checks SPF, DMARC, and DKIM to score email spoofing risk.
MX Records
Checks mail exchange records and identifies the email provider.
Mail Blacklist
Checks the mail server IP against 7 major email blacklists.
SMTP Banner
Connects to the mail server and checks banner, STARTTLS support, and EHLO capabilities.
TLS-RPT Record
Checks for SMTP TLS Reporting (TLS-RPT) DNS record to receive TLS failure reports.
DANE / TLSA
Checks for TLSA DNS records that pin your mail server's TLS certificate via DANE.
Catch-All Detection
Tests whether the domain accepts email to any address (catch-all enabled).
Sender Score
Looks up the mail server IP reputation via Senderscore.org and Talos.
Email Header Analyzer
Paste raw email headers to trace delivery hops and check SPF/DKIM/DMARC authentication.
Spam Word Checker
Checks email subject or body for spam trigger words that cause filtering.