Is crystal-finance.net valid?

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

crystal-finance.net

crystal-finance.net 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": "crystal-finance.net",
    "base_domain": "crystal-finance.net",
    "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": "aspmx.l.google.com",
    "mx_ip": "64.233.162.26",
    "mx_info": "Using MX pointer aspmx.l.google.com from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "aspmx.l.google.com",
        "aspmx3.googlemail.com",
        "alt1.aspmx.l.google.com",
        "alt2.aspmx.l.google.com",
        "aspmx2.googlemail.com"
    ],
    "mx_ips": [
        "64.233.162.26",
        "142.251.127.26",
        "192.178.213.26",
        "172.253.158.26",
        "192.178.213.27"
    ],
    "mx_priorities": {
        "aspmx.l.google.com": 1,
        "aspmx2.googlemail.com": 10,
        "aspmx3.googlemail.com": 10,
        "alt1.aspmx.l.google.com": 5,
        "alt2.aspmx.l.google.com": 5
    },
    "email_provider": "Google Workspace",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 6220,
    "domain_created_at": "2009-07-24T00:00:00+00:00",
    "block_status_changed_at": "2025-07-23T10:22:50+00:00"
}
crystal-finance.net should be blocked
crystal-finance.net

Status: Highly suspicious

RISK
HIGH

Domain risk: 100

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Technical Details for crystal-finance.net

Risk Score

100 / 100

MX Host

aspmx.l.google.com

Email Provider

Google Workspace

Last updated: Jul 23, 2025

crystal-finance.net Domain Age

crystal-finance.net was registered on July 24, 2009 and is 17 years old.

How to Block crystal-finance.net

You can automatically block crystal-finance.net 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=crystal-finance.net"

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

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