domain report

Is hi5.si a disposable email?

Yes. hi5.si is a disposable email domain: a throwaway inbox service.

GET /v1/check?domain=hi5.sichecked 18 Oct 2026
isBusinessEmail("hi5.si")
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
hetzner
SPF
v=spf1 +a +mx +include:mail-relay.contabo.net ~all
DMARC policy
None
MX records for hi5.si
PriorityMX host
10www669.your-server.de
15prehod.dev404.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 hi5.si 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). hi5.si receives mail through www669.your-server.de, prehod.dev404.net.

See the full disposable email domains list →

Questions about hi5.si

Is hi5.si a disposable email domain?

Yes. hi5.si is on the isBusinessEmail disposable list, so a check returns category "disposable" and the recommendation "block".

Should I block hi5.si 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 hi5.si receive email?

hi5.si receives mail through www669.your-server.de, prehod.dev404.net.

How do I detect addresses like hi5.si 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.

Learn more

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Checked over a POST request — nothing you type ends up in a URL or in analytics.