Domain: xisystems.us
Valid: Yes, but should be blocked
This domain is valid and should be able to receive e-mail.
Tested MX: xisystems.us (199.59.243.226)
No MX-pointer in DNS record. Using domain: xisystems.us
Block: Yes
You should block this domain for signups/registrations.
Disposable: No
This does not look like a temporary/disposable e-mail domain.
Raw API reason:
Heuristics: BM1
xisystems.us
Status: Should be blocked
DOMAIN RISK: 45
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