domain report

Is stecuste.cyou a disposable email?

Yes. stecuste.cyou is a disposable email domain: a throwaway inbox service.

GET /v1/check?domain=stecuste.cyouchecked 18 Oct 2026
isBusinessEmail("stecuste.cyou")
false

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
Yes
Mail provider
cloudflare email routing
SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
DMARC policy
None
MX records for stecuste.cyou
PriorityMX host
14route3.mx.cloudflare.net
20route1.mx.cloudflare.net
20route2.mx.cloudflare.net

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 stecuste.cyou 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). stecuste.cyou receives mail through route3.mx.cloudflare.net, route1.mx.cloudflare.net, route2.mx.cloudflare.net.

See the full disposable email domains list →

Questions about stecuste.cyou

Is stecuste.cyou a disposable email domain?

Yes. stecuste.cyou is on the isBusinessEmail disposable list, so a check returns category "disposable" and the recommendation "block".

Should I block stecuste.cyou 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 stecuste.cyou receive email?

stecuste.cyou receives mail through route3.mx.cloudflare.net, route1.mx.cloudflare.net, route2.mx.cloudflare.net.

How do I detect addresses like stecuste.cyou 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.

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