Is san-jac.us valid?
How to block san-jac.us invalid e-mail domain
Domain: san-jac.us
Valid: Yes, but should be blocked
This domain is valid and should be able to receive e-mail.
Tested MX: mx001.netsol.xion.oxcs.net (135.148.130.75)
Using MX pointer mx001.netsol.xion.oxcs.net from DNS with priority: 10
Block: Yes
You should block this domain for signups/registrations.
Disposable: No
This does not look like a temporary/disposable e-mail domain.
API reason:
Heuristics: T2
Raw API response:
"valid": true,
"block": true,
"disposable": false,
"email_forwarder": false,
"domain": "san-jac.us",
"text": "Looks suspicious",
"reason": "Heuristics: T2",
"risk": 99,
"mx_host": "mx001.netsol.xion.oxcs.net",
"possible_typo": [],
"mx_ip": "135.148.130.75",
"mx_info": "Using MX pointer mx001.netsol.xion.oxcs.net from DNS with priority: 10",
"last_changed_at": "2025-06-19T16:47:43+02:00"
}
san-jac.us
Status: Looks suspicious
RISK
HIGH
Domain risk: 99
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