Is fourstring.co.uk valid?
How to block fourstring.co.uk e-mail domain
fourstring.co.uk
fourstring.co.uk 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 fourstring.co.uk 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": "fourstring.co.uk",
"text": "Looks suspicious",
"reason": "Heuristics: T2",
"risk": 15,
"mx_host": "fourstring.co.uk",
"possible_typo": [],
"mx_ip": "149.255.58.133",
"mx_info": "Using MX pointer fourstring.co.uk from DNS with priority: 0",
"last_changed_at": "2023-02-16T21:11:20+01:00"
}
fourstring.co.uk
Status: Looks suspicious
RISK
LOW
Domain risk: 15
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