looks safe.
No — protonmail.com does not appear to be a disposable email domain.
Data refreshed daily from live DNS.
| Priority | Mail server | IP addresses |
|---|---|---|
| 5 | mail.protonmail.ch | 185.70.42.128, 185.205.70.128, 176.119.200.128 |
| 10 | mailsec.protonmail.ch | 185.70.42.129, 185.205.70.129, 176.119.200.129 |
v=spf1 include:_spf.protonmail.ch ~allv=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;Is protonmail.com a disposable email domain?
No — protonmail.com does not appear to be a disposable email domain.
Should I block emails from protonmail.com?
Probably not. protonmail.com shows no disposable-email indicators. Check the risk signals above for anything unusual.
One GET request tells you if any email address is disposable, an alias, or undeliverable — before it hits your database.