Is krad.us valid?

krad.us should be blocked (risk: 55/100). Use the Check-Mail API to detect risky domains.

krad.us

krad.us 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.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "krad.us",
    "base_domain": "krad.us",
    "text": "Suspicious",
    "reason": "Anomalies detected",
    "risk": 55,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": false,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": true,
    "is_role_based_email": false,
    "mx_host": "krad.us",
    "mx_ip": "76.223.54.146",
    "mx_info": "Domain declares it accepts no mail (RFC 7505 null MX).",
    "mx_fallback": false,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 125,
    "domain_created_at": "2026-04-27T00:00:00+00:00",
    "block_status_changed_at": "2023-12-15T13:15:47+00:00"
}
krad.us should be blocked
krad.us

Status: Suspicious

RISK
MEDIUM

Domain risk: 55

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Technical Details for krad.us

Risk Score

55 / 100

MX Host

krad.us

Last updated: Dec 15, 2023

krad.us Domain Age

krad.us was registered on April 27, 2026 and is 4 months old.

How to Block krad.us

You can automatically block krad.us and thousands of other disposable and fraudulent email domains using the free Check-Mail API. Simply query the API with any email domain to get an instant block recommendation.

Example API request:

curl -X POST "https://api.check-mail.org/v2/" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d "domain=krad.us"

Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.

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