Is 660.net valid?

660.net should be blocked (risk: 85/100). Use the Check-Mail API to detect risky domains.

660.net

660.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": "660.net",
    "base_domain": "660.net",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 85,
    "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": "660.net",
    "mx_ip": "3.33.130.190",
    "mx_info": "No MX-pointer in DNS record. Using domain: 660.net",
    "mx_fallback": true,
    "mx_hosts": [
        "660.net"
    ],
    "mx_ips": [
        "3.33.130.190"
    ],
    "mx_priorities": {
        "660.net": 0
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 10199,
    "domain_created_at": "1998-05-11T00:00:00+00:00",
    "block_status_changed_at": "2026-04-10T10:10:29+00:00"
}
660.net should be blocked
660.net

Status: Highly suspicious

RISK
HIGH

Domain risk: 85

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Technical Details for 660.net

Risk Score

85 / 100

MX Host

660.net

Last updated: Apr 10, 2026

660.net Domain Age

660.net was registered on May 11, 1998 and is 27 years, 11 months old.

How to Block 660.net

You can automatically block 660.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=660.net"

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

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