Domain tools
Email DNS Checkers
The records that decide whether mail from your domain lands in the inbox.
MX Record Lookup →
Which mail servers receive email for a domain, by priority.
Free · live now
SPF Record Checker →
Validate syntax, lookups count and the all-mechanism.
Free · live now
SPF Record Generator →
Build an SPF record for the services you send from.
Free · live now
DKIM Record Checker →
Look up a selector and confirm the public key is published.
Free · live now
DMARC Record Checker →
Policy, alignment and reporting addresses, explained.
Free · live now
DMARC Record Generator →
Create a DMARC record with the right policy for your stage.
Free · live now
Email DNS Health Check →
MX, SPF, DKIM and DMARC graded in one report.
Free · live now
BIMI Record Checker →
Is your logo record published and valid?
Free · live now
MTA-STS & TLS-RPT Checker →
Confirm transport security policies for inbound mail.
Free · live now
Domain & IP Blacklist Checker →
Check 50+ DNS blocklists for your domain and mail IP.
Free · live now
Email Deliverability Test →
Send to our address and get a scored report.
Free · live now