Free tools

Free email deliverability tools.

Check and fix the records and reputation that decide whether your email reaches the inbox. No sign-up needed.

Domain health check

SPF, DKIM, DMARC, MX and PTR in one check

Validate your SPF record and lookup count

Find and verify a DKIM selector

Read your DMARC policy and reporting

Is your domain or IP on a blocklist?

Build a DMARC record step by step

Build an SPF record for your senders

How long to warm up, and how many emails a day