DNS tools

Check your setup before you send

Enter a domain and see exactly what receivers see — no email required, no account needed.

Domain Checker

MX, SPF, DMARC, and DKIM in one pass — the whole picture.

Parse the record and count its DNS lookups.

Policy, alignment, and reporting addresses.

Find keys by selector and read their strength.

Brand logo and VMC published at default._bimi.

Mail servers by priority, resolved to IPs.

Dump and classify TXT records at any name.