domain report
Is deerest.co a disposable email?
Yes. deerest.co is a disposable email domain: a throwaway inbox service.
Disposable inbox — it will stop receiving mail soon.
- category
- disposable
- recommendation
- block
- confidence
- 97%
- Google Workspace: not detected
- Microsoft 365: not detected
Mail setup
- Receives mail
- No
- Mail provider
- —
- SPF
- —
- DMARC policy
- None
Workspace
- Google WorkspaceNot detected
- Microsoft 365Not detected
Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.
Why this verdict
Confidence 97% · recommendation block under the default b2b policy.
What this means
Addresses at deerest.co are created in seconds without sign-up and are usually abandoned soon after. They are used to get past email verification, claim free trials more than once or avoid follow-up email. It is on our disposable email domains list.
isBusinessEmail returns category "disposable" and recommends block under every policy (b2b, strict and lenient). deerest.co publishes no MX records, so it can't receive email at the moment.
Questions about deerest.co
Is deerest.co a disposable email domain?
Yes. deerest.co is on the isBusinessEmail disposable list, so a check returns category "disposable" and the recommendation "block".
Should I block deerest.co at sign-up?
For most products, yes: a disposable inbox stops receiving mail soon, so you can't reach the user later. isBusinessEmail recommends block under all three policies.
Can deerest.co receive email?
deerest.co publishes no MX records, so it can't receive email at the moment.
How do I detect addresses like deerest.co automatically?
Call POST /v1/check with the address or domain. Disposable domains come back with is_disposable: true, from a list merged from open sources and our own detection and updated daily.