Is knk.org valid?

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

knk.org

knk.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": "knk.org",
    "base_domain": "knk.org",
    "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": 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": "knk.org",
    "mx_ip": "3.33.251.168",
    "mx_info": "No MX-pointer in DNS record. Using domain: knk.org",
    "mx_fallback": true,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 9439,
    "domain_created_at": "2000-10-27T00:00:00+00:00",
    "block_status_changed_at": "2025-06-08T21:17:11+00:00"
}
knk.org should be blocked
knk.org

Status: Highly suspicious

RISK
HIGH

Domain risk: 100

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Technical Details for knk.org

Risk Score

100 / 100

MX Host

knk.org

Last updated: Jun 8, 2025

knk.org Domain Age

knk.org was registered on October 27, 2000 and is 25 years, 10 months old.

How to Block knk.org

You can automatically block knk.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=knk.org"

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

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