MX records for 1-8.biz
Live MX lookup for 1-8.biz: 2 mail hosts, run by Proton Mail.
try:
- mail hosts
- mail.protonmail.ch, mailsec.protonmail.ch
- provider
- proton
- spf record
- no
- dmarc policy
- none published
- disposable domain
- yes
- free consumer provider
- yes
Mail servers for 1-8.biz
DNS lists 2 mail hosts for 1-8.biz, starting with mail.protonmail.ch. Lower priority values are tried first; the rest exist for failover.
Who runs the mail
The hosts match the pattern of Proton Mail. Proton Mail hosts the mailboxes. Unknown addresses are rejected at the handshake, and the service is a privacy-focused provider used for real accounts, not a burner service.
What this means for verification
Addresses at 1-8.biz are reported risky with reason disposable and their mailbox is never probed, because the answer would be meaningless by the time you send. Most signup flows should ask for a different address.
More checks for 1-8.biz
checked 2026-09-03 · sources: live-dns 2026-09-03 · disposable-domains 2026-09-02 · free-provider-domains 2026-09-02 · mx-provider-patterns 2026-09-03
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