ultraz1.io.vn is a disposable email domain
ultraz1.io.vn is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
ultraz1.io.vn is a disposable temp email domain from tinyhost.shop 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,
"disposable": true,
"email_forwarder": false,
"domain": "ultraz1.io.vn",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 91,
"mx_host": "ultraz1.io.vn",
"possible_typo": [],
"mx_ip": "144.91.107.45",
"mx_info": "Using MX pointer ultraz1.io.vn from DNS with priority: 0",
"last_changed_at": "2026-03-24T17:34:09+00:00"
}
Status: Disposable / temporary domain
Domain risk: 91
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Other domains from tinyhost.shop
Our database contains more than 500 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for ultraz1.io.vn
Risk Score
91 / 100
MX Host
ultraz1.io.vn
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 24, 2026
How to Block ultraz1.io.vn
You can automatically block ultraz1.io.vn 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=ultraz1.io.vn"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about ultraz1.io.vn
What is ultraz1.io.vn?
ultraz1.io.vn is a disposable temporary email domain operated by tinyhost.shop with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block ultraz1.io.vn?
Yes. ultraz1.io.vn 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 do I block ultraz1.io.vn emails?
Use the free Check-Mail API to automatically detect and block ultraz1.io.vn 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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