isfakemailIsFakeMail

Domain insights for checkbox.biz

Disposable detection, MX records, and provider info

Check whether checkbox.biz is a temporary email provider, view its current MX hosts (queried via Cloudflare DNS), and see if it's a public email service. Useful for sign-up validation and deliverability checks.

checkbox.biz is a disposable domain

YES
MX Records

This domain has valid MX records configured for receiving emails.

YES
Disposable

Known temporary email provider. Consider blocking for signups.

NO
Public Email Provider

Not a major public email provider.

MX hosts
  • checkbox.biz
IP addresses
IPv4
  • 43.250.142.22
IPv6
  • 2400:b800:3:1::1d

API Endpoint

Open

Use email or domain to check if it is temporary.

GET https://isfakemail.com/api/check?url=checkbox.biz

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