Is kas040.nl valid?

kas040.nl should be blocked (risk: 100/100). Use the Check-Mail API to detect risky domains.

kas040.nl

kas040.nl 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": "kas040.nl",
    "base_domain": "kas040.nl",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 100,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": true,
    "is_isp_email": false,
    "is_email_api": false,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "kas040-nl.mail.protection.outlook.com",
    "mx_ip": "52.101.68.27",
    "mx_info": "Using MX pointer kas040-nl.mail.protection.outlook.com from DNS with priority: 0",
    "mx_fallback": false,
    "mx_hosts": [
        "kas040-nl.mail.protection.outlook.com"
    ],
    "mx_ips": [
        "52.101.68.27",
        "52.101.73.4",
        "52.101.73.8",
        "52.101.68.16"
    ],
    "mx_priorities": {
        "kas040-nl.mail.protection.outlook.com": 0
    },
    "email_provider": "Exchange Online",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2023-03-07T07:28:35+00:00"
}
kas040.nl should be blocked
kas040.nl

Status: Highly suspicious

RISK
HIGH

Domain risk: 100

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Technical Details for kas040.nl

Risk Score

100 / 100

MX Host

kas040-nl.mail.protection.outlook.com

Email Provider

Exchange Online

Last updated: Mar 7, 2023

How to Block kas040.nl

You can automatically block kas040.nl 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=kas040.nl"

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

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