Free tools for finding email and DNS problems. If you need help fixing what you find, we'll do it for you.
The full check of SPF, DKIM, DMARC, MX, DNSSEC, MTA-STS, TLS and registration.
OpenEnter the address that isn't getting email, even Gmail or Hotmail, and we'll find the problem without sending any email. Requires a free account.
OpenSee if an IP address is on the most common email blacklists. Requires a free account.
OpenUpload a DMARC report and see which servers send email in your name, and which ones fail. Requires a free account.
OpenWe fix DNS and email problems for businesses. Get in touch and we'll take a look.
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