Keep your domain and email in check

Monitor DNS, email infrastructure and website availability.

See the current state and get notified of changes.

Domain monitoring is free.

Enter a domain to check DNS, email settings and website availability. No registration required.

Confirm your email to receive notifications about changes.

Infrastructure checks

DNS, MX, SPF, DKIM, DMARC, RBL and TLS.

See what changed and when in the check history.

Notifications about confirmed problems.

DNS & MXSPF / DKIMDMARCRBL / TLSHTTP / HTTPS

Records, values and change rules

Snapshots of selected pages and blocks

PAID

A snapshot shows infrastructure status, not email placement. Use Inbox Placement to check that.

Automation

Integrations for services and agents