grefo.testinator.com is a disposable email domain
grefo.testinator.com is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
grefo.testinator.com is a disposable temp email domain from Mailinator 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": "grefo.testinator.com",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 91,
"mx_host": "mail1.testinator.com",
"possible_typo": [],
"mx_ip": "45.56.105.37",
"mx_info": "Using MX pointer mail1.testinator.com from DNS with priority: 5",
"last_changed_at": "2025-05-30T13:40:26+00:00"
}
Status: Disposable / temporary domain
Domain risk: 91
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Other domains from Mailinator
Our database contains more than 500 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for grefo.testinator.com
Risk Score
91 / 100
MX Host
mail1.testinator.com
Disposable Provider
Detection Method
Advanced heuristics
This domain was blocked heuristically. Unknown domains are automatically analyzed and tagged with our advanced algorithms.
Last updated: May 30, 2025
How to Block grefo.testinator.com
You can automatically block grefo.testinator.com 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=grefo.testinator.com"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about grefo.testinator.com
What is grefo.testinator.com?
grefo.testinator.com is a disposable temporary email domain operated by Mailinator with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block grefo.testinator.com?
Yes. grefo.testinator.com 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 grefo.testinator.com emails?
Use the free Check-Mail API to automatically detect and block grefo.testinator.com 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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