Domain insights for postinbox.site
Disposable detection, MX records, and provider info
Check whether postinbox.site 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.
postinbox.site 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
- _dc-mx.c44f89d94caa.postinbox.site
IP addresses
IPv4
- 104.21.112.1
- 104.21.64.1
- 104.21.96.1
- 104.21.80.1
- 104.21.16.1
- 104.21.48.1
- 104.21.32.1
IPv6
- 2606:4700:3030::6815:5001
- 2606:4700:3030::6815:3001
- 2606:4700:3030::6815:4001
- 2606:4700:3030::6815:6001
- 2606:4700:3030::6815:2001
- 2606:4700:3030::6815:7001
- 2606:4700:3030::6815:1001
API Endpoint
OpenUse email or domain to check if it is temporary.
GET https://isfakemail.com/api/check?url=postinbox.siteExplore other domains
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