Twelve plain questions, mapped to the seven layers of deliverability. Answer honestly and you get a read on where your setup is solid, where it is drifting, and which layer to fix first. It runs entirely in your browser: no signup, no email, nothing scanned or sent.
L1 question
1. Do you know every DNS record your email depends on, and would you be alerted if one changed?
L1 question
2. If a DNS change broke your mail, do you have a way to see what changed and roll it back?
L2 question
3. Do SPF, DKIM, and DMARC all pass for your main sending domain?
L2 question
4. Is your DMARC policy at enforcement (quarantine or reject), not just monitoring?
L3 question
5. Can you list every system and vendor that sends email as your domain?
L3 question
6. Are new sending tools reviewed and authenticated before they start sending as you?
L4 question
7. Do you check your domain and IP reputation and blocklist status on a schedule?
L4 question
8. Do you watch Google Postmaster Tools or Microsoft SNDS?
L5 question
9. Do you know your actual inbox placement at major providers, not just that mail was sent?
L5 question
10. Would you find out about a placement drop before your customers did?
L6 question
11. Would you know if someone was spoofing your domain or running a lookalike of it?
L7 question
12. Can you see all of the above in one place, continuously, rather than across separate tools?