Is cmarques.org valid?

cmarques.org should be blocked (risk: 75/100). Use the Check-Mail API to detect risky domains.

cmarques.org

cmarques.org 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": "cmarques.org",
    "base_domain": "cmarques.org",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 75,
    "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": "cmarques.org",
    "mx_ip": "89.115.243.186",
    "mx_info": "No MX-pointer in DNS record. Using domain: cmarques.org",
    "mx_fallback": true,
    "mx_hosts": [
        "cmarques.org"
    ],
    "mx_ips": [
        "89.115.243.186"
    ],
    "mx_priorities": {
        "cmarques.org": 0
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 6364,
    "domain_created_at": "2009-04-26T00:00:00+00:00",
    "block_status_changed_at": "2026-09-04T23:26:11+00:00"
}
cmarques.org should be blocked
cmarques.org

Status: Highly suspicious

RISK
HIGH

Domain risk: 75

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Technical Details for cmarques.org

Risk Score

75 / 100

MX Host

cmarques.org

Last updated: Sep 4, 2026

cmarques.org Domain Age

cmarques.org was registered on April 26, 2009 and is 17 years, 5 months old.

How to Block cmarques.org

You can automatically block cmarques.org 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=cmarques.org"

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

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