Check your domain's email authentication
SPF, DKIM, DMARC, MX and five major blocklists. No account, no email address. For every failure you get the exact record to publish, not just a red X.
Create a workspace to save your checks and watch domains over time.
Start freeTakes about ten seconds. We don't store your email address, because we don't ask for it.
Want this managed instead?
Publish three records once and we take over from there — key rotation, DMARC progression toward enforcement, and warm-up for a new domain. Included on every plan, including free.
Free deliverability check · ⌘K to focus