Every mail provider on earth already writes you a daily report about who is using your domain. It arrives as XML that nobody can read. We turn it into a list of names, and tell you when it is safe to lock impersonators out.
| Sending source | Messages | Result |
|---|---|---|
209.85.220.41 example.com · selector google | 14,880 | 100% aligned |
198.2.180.66 mailer.example.net · selector k1 | 2,860 | 99% aligned |
45.83.19.7 unidentified | 662 | 0% aligned |
The parts that matter, without the marketing.
Not just an IP. We show the signing domain and selector, so a failure reads as "that newsletter tool" instead of a number.
Turning on enforcement while something legitimate still fails is how real mail gets bounced. We tell you when the data says it is safe.
A new server starts sending as you and you hear about it, rather than finding out from a customer.
Three steps. Nothing to install.
We give you one TXT record, with the host to put it on.
One button checks your DNS live and tells you separately whether the record is right and whether reports have started arriving.
Once every real sender passes, move to quarantine and then reject with the evidence behind you.
Create a free account, publish one record, and see every server using your name. It takes about a minute.
Create a free account