ac21.capytumbum.online is a disposable email domain
ac21.capytumbum.online is an invalid email domain. Block invalid domains with the free Check-Mail API.
ac21.capytumbum.online is an invalid domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this invalid domain. If a user is trying to sign-up using an e-mail on this domain, it's likely a typo, or a malicious attempt.
Raw API JSON response:
{
"valid": false,
"block": true,
"disposable": true,
"email_forwarder": false,
"domain": "ac21.capytumbum.online",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 100,
"mx_host": null,
"possible_typo": [],
"mx_ip": null,
"mx_info": null,
"last_changed_at": "2026-03-11T16:03:50+00:00"
}
Status: Disposable / temporary domain
Domain risk: 100
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Other domains from tempdukviet.click
Our database contains more than 200 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for ac21.capytumbum.online
Risk Score
100 / 100
MX Host
N/A
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 11, 2026
How to Block ac21.capytumbum.online
You can automatically block ac21.capytumbum.online 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=ac21.capytumbum.online"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about ac21.capytumbum.online
What is ac21.capytumbum.online?
ac21.capytumbum.online is a disposable temporary email domain operated by tempdukviet.click with a risk score of 100/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block ac21.capytumbum.online?
Yes. ac21.capytumbum.online is a disposable email domain with a HIGH risk level (score: 100/100). We recommend blocking this domain to prevent fake sign-ups, spam registrations, and potential fraud.
How do I block ac21.capytumbum.online emails?
Use the free Check-Mail API to automatically detect and block ac21.capytumbum.online 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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