looks safe.
No — fastmail.com does not appear to be a disposable email domain.
Data refreshed daily from live DNS.
| Priority | Mail server | IP addresses |
|---|---|---|
| 10 | in1-smtp.messagingengine.com | 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222, 103.168.172.223, 103.168.172.216, 103.168.172.217, 103.168.172.218 |
| 20 | in2-smtp.messagingengine.com | 202.12.124.219, 202.12.124.216, 202.12.124.217, 202.12.124.218 |
v=spf1 include:spf.messagingengine.com ~allv=DMARC1; p=none; rua=mailto:[email protected]Is fastmail.com a disposable email domain?
No — fastmail.com does not appear to be a disposable email domain.
Should I block emails from fastmail.com?
Probably not. fastmail.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.