Domain email authentication diagnosis
Find out whether your domain has SPF, DKIM and DMARC configured, and why your emails may be landing in the customer's spam folder. Free DNS lookup.
Domain email diagnosis
If your domain has no SPF, DKIM and DMARC, your sales proposal has a strong chance of landing in the customer's spam folder — and you never find out. Enter the domain and see in seconds.
Frequently asked
Why do my emails land in the customer's spam?
The most common cause is a domain that doesn't declare who may send on its behalf. Without SPF, DKIM and DMARC, the recipient's provider cannot prove the message is legitimate and drops it in the spam folder.
What is DMARC with p=none?
It is a policy that only observes and reports, without asking receivers to block forged mail. It works as a diagnostic step, but it does not protect your brand from someone impersonating you.
This is the pocket version
The tool above solves one calculation. What I do under contract is keep it running inside your system, on your data, with nobody typing anything.