Is sfe.cc valid?

sfe.cc should be blocked (risk: 90/100). Use the Check-Mail API to detect risky domains.

sfe.cc

sfe.cc 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": "sfe.cc",
    "base_domain": "sfe.cc",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 90,
    "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": true,
    "is_role_based_email": false,
    "mx_host": "sfe-cc.mail.protection.outlook.com",
    "mx_ip": "52.101.50.7",
    "mx_info": "Using MX pointer sfe-cc.mail.protection.outlook.com from DNS with priority: 0",
    "mx_fallback": false,
    "mx_hosts": [
        "sfe-cc.mail.protection.outlook.com"
    ],
    "mx_ips": [
        "52.101.50.7",
        "52.101.9.5",
        "52.101.9.24",
        "52.101.194.19"
    ],
    "mx_priorities": {
        "sfe-cc.mail.protection.outlook.com": 0
    },
    "email_provider": "Exchange Online",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 7137,
    "domain_created_at": "2006-09-17T00:00:00+00:00",
    "block_status_changed_at": "2026-04-01T01:52:02+00:00"
}
sfe.cc should be blocked
sfe.cc

Status: Highly suspicious

RISK
HIGH

Domain risk: 90

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Did you know we have a free API to validate e-mails and block sfe.cc?

Technical Details for sfe.cc

Risk Score

90 / 100

MX Host

sfe-cc.mail.protection.outlook.com

Email Provider

Exchange Online

Last updated: Apr 1, 2026

sfe.cc Domain Age

sfe.cc was registered on September 17, 2006 and is 19 years, 6 months old.

How to Block sfe.cc

You can automatically block sfe.cc 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=sfe.cc"

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

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