dnbcnj.cn is a disposable email domain
dnbcnj.cn is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
dnbcnj.cn is a disposable temp email domain from mail.chatgpt.org.uk that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.
Raw API JSON response:
{
"valid": true,
"block": true,
"domain": "dnbcnj.cn",
"base_domain": "dnbcnj.cn",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 91,
"is_disposable": true,
"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": "email.gravityengine.cc",
"mx_ip": "158.101.127.66",
"mx_info": "Using MX pointer email.gravityengine.cc from DNS with priority: 1",
"mx_fallback": false,
"mx_hosts": [
"email.gravityengine.cc"
],
"mx_ips": [
"158.101.127.66"
],
"mx_priorities": {
"email.gravityengine.cc": 1
},
"email_provider": null,
"disposable_provider": "mail.chatgpt.org.uk",
"possible_typo": [],
"domain_age_days": 395,
"domain_created_at": "2025-03-31T00:00:00+00:00",
"block_status_changed_at": "2026-03-31T12:54:08+00:00"
}
Status: Disposable / temporary domain
Domain risk: 91
Domain risk: 91
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Other domains from mail.chatgpt.org.uk
Our database contains more than 1,000 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for dnbcnj.cn
Risk Score
91 / 100
MX Host
email.gravityengine.cc
Disposable Provider
Detection Method
Advanced heuristics
This domain was blocked heuristically. Unknown domains are automatically analyzed and tagged with our advanced algorithms.
Last updated: Mar 31, 2026
dnbcnj.cn Domain Age
dnbcnj.cn was registered on March 31, 2025 and is 1 year, 1 month old.
How to Block dnbcnj.cn
You can automatically block dnbcnj.cn 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=dnbcnj.cn"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about dnbcnj.cn
What is dnbcnj.cn?
dnbcnj.cn is a disposable temporary email domain operated by mail.chatgpt.org.uk with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block dnbcnj.cn?
Yes. dnbcnj.cn is a disposable email domain with a HIGH risk level (score: 91/100). We recommend blocking this domain to prevent fake sign-ups, spam registrations, and potential fraud.
How old is dnbcnj.cn?
dnbcnj.cn was registered on March 31, 2025 and is 1 year, 1 month old.
How do I block dnbcnj.cn emails?
Use the free Check-Mail API to automatically detect and block dnbcnj.cn and thousands of other disposable email domains. See the documentation for integration guides or get started with a free API key.
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