Is yukimail.jp valid?

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

yukimail.jp

yukimail.jp 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": "yukimail.jp",
    "base_domain": "yukimail.jp",
    "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": false,
    "is_role_based_email": false,
    "mx_host": "yukimail.jp",
    "mx_ip": "163.44.176.16",
    "mx_info": "No MX-pointer in DNS record. Using domain: yukimail.jp",
    "mx_fallback": true,
    "mx_hosts": [
        "yukimail.jp"
    ],
    "mx_ips": [
        "163.44.176.16"
    ],
    "mx_priorities": {
        "yukimail.jp": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 927,
    "domain_created_at": "2024-02-12T00:00:00+00:00",
    "block_status_changed_at": "2026-06-29T17:48:55+00:00"
}
yukimail.jp should be blocked
yukimail.jp

Status: Highly suspicious

RISK
HIGH

Domain risk: 100

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Technical Details for yukimail.jp

Risk Score

100 / 100

MX Host

yukimail.jp

Last updated: Jun 29, 2026

yukimail.jp Domain Age

yukimail.jp was registered on February 12, 2024 and is 2 years, 6 months old.

How to Block yukimail.jp

You can automatically block yukimail.jp 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=yukimail.jp"

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

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