jsncos.com is a disposable email domain
jsncos.com is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
jsncos.com is a disposable temp email domain 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": null,
"email_forwarder": null,
"domain": "jsncos.com",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 91,
"mx_host": null,
"possible_typo": [],
"mx_ip": null,
"mx_info": "Using MX pointer mail.jsncos.com from DNS with priority: 10",
"last_changed_at": null
}
Status: Disposable / temporary domain
Domain risk: 91
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Technical Details for jsncos.com
Risk Score
91 / 100
MX Host
mail.jsncos.com
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 jsncos.com
You can automatically block jsncos.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=jsncos.com"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about jsncos.com
What is jsncos.com?
jsncos.com is a disposable temporary email domain with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block jsncos.com?
Yes. jsncos.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 jsncos.com emails?
Use the free Check-Mail API to automatically detect and block jsncos.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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