Is fef.is valid?
How to block fef.is e-mail domain
fef.is
fef.is is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt for some reason.
The best way to detect and block domains like fef.is is to use the Check-Mail API, available for free, for all programming languages.
Raw API JSON response:
"valid": true,
"block": true,
"disposable": false,
"email_forwarder": false,
"domain": "fef.is",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 45,
"mx_host": "fef.is",
"possible_typo": [],
"mx_ip": "162.159.205.24",
"mx_info": "No MX-pointer in DNS record. Using domain: fef.is",
"last_changed_at": "2023-05-10T06:20:12+02:00"
}
fef.is
Status: Highly suspicious
RISK
MEDIUM
Domain risk: 45
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