Is testkase.com valid?
Verify if testkase.com is a valid e-mail domain
testkase.com
testkase.com is a valid domain that should be allowed to do sign-ups and registrations. Based on our analysis, you should allow this domain. If a user is trying to sign-up using an e-mail on this domain, it is most likely okay.
The best way to verify email domains like testkase.com is to use the Check-Mail API, available for free, for all programming languages.
Raw API JSON response:
"valid": true,
"block": false,
"disposable": false,
"email_forwarder": false,
"domain": "testkase.com",
"text": "Looks somewhat suspicious",
"reason": "Some anomalies detected",
"risk": 45,
"mx_host": "smtp.google.com",
"possible_typo": [],
"mx_ip": "142.251.111.27",
"mx_info": "Using MX pointer smtp.google.com from DNS with priority: 1",
"last_changed_at": "2025-08-31T07:17:15+02:00"
}
testkase.com
Status: Looks somewhat suspicious
RISK
MEDIUM
Domain risk: 45
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