isfakemailIsFakeMail

Domain insights for 33x.ch

Disposable detection, MX records, and provider info

Check whether 33x.ch 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.

33x.ch 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
  • mail.protonmail.ch
  • mailsec.protonmail.ch
  • inbound-smtp.skiff.com
IP addresses
IPv4
  • 149.126.4.10
IPv6
  • 2a01:ab20:0:4::10

API Endpoint

Open

Use email or domain to check if it is temporary.

GET https://isfakemail.com/api/check?url=33x.ch

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