Is dziennik.biz valid?

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

dziennik.biz

dziennik.biz 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": "dziennik.biz",
    "base_domain": "dziennik.biz",
    "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": false,
    "is_role_based_email": false,
    "mx_host": "dziennik.biz",
    "mx_ip": "46.242.233.2",
    "mx_info": "No MX-pointer in DNS record. Using domain: dziennik.biz",
    "mx_fallback": true,
    "mx_hosts": [
        "dziennik.biz"
    ],
    "mx_ips": [
        "46.242.233.2"
    ],
    "mx_priorities": {
        "dziennik.biz": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 7697,
    "domain_created_at": "2005-08-11T00:00:00+00:00",
    "block_status_changed_at": "2026-08-30T23:06:28+00:00"
}
dziennik.biz should be blocked
dziennik.biz

Status: Highly suspicious

RISK
HIGH

Domain risk: 75

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

Technical Details for dziennik.biz

Risk Score

75 / 100

MX Host

dziennik.biz

Last updated: Aug 30, 2026

dziennik.biz Domain Age

dziennik.biz was registered on August 11, 2005 and is 21 years, 1 month old.

How to Block dziennik.biz

You can automatically block dziennik.biz 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=dziennik.biz"

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

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