defcog.com is a disposable email domain
defcog.com is a disposable email domain (risk: 92/100). Block it with the free Check-Mail API.
defcog.com is a disposable temp email domain from temp-mail.org 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": "defcog.com",
"text": "Disposable \/ temporary domain",
"reason": "Heuristics: DM1",
"risk": 92,
"mx_host": "mail.eye-mail.net",
"possible_typo": [],
"mx_ip": "65.109.161.215",
"mx_info": "Using MX pointer mx.yandex.net from DNS with priority: 10",
"last_changed_at": "2026-03-23T19:11:09+00:00"
}
Status: Disposable / temporary domain
Domain risk: 92
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Other domains from temp-mail.org
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Technical Details for defcog.com
Risk Score
92 / 100
MX Host
mail.eye-mail.net
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 23, 2026
defcog.com Domain Age
defcog.com was registered on February 24, 2020 and is 6 years, 1 month old.
How to Block defcog.com
You can automatically block defcog.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=defcog.com"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about defcog.com
What is defcog.com?
defcog.com is a disposable temporary email domain operated by temp-mail.org with a risk score of 92/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block defcog.com?
Yes. defcog.com is a disposable email domain with a HIGH risk level (score: 92/100). We recommend blocking this domain to prevent fake sign-ups, spam registrations, and potential fraud.
How old is defcog.com?
defcog.com was registered on February 24, 2020 and is 6 years, 1 month old.
How do I block defcog.com emails?
Use the free Check-Mail API to automatically detect and block defcog.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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