Is coupmail.online valid?
coupmail.online should be blocked (risk: 95/100). Use the Check-Mail API to detect risky domains.
coupmail.online is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt.
Raw API JSON response:
{
"valid": true,
"block": true,
"domain": "coupmail.online",
"base_domain": "coupmail.online",
"text": "Domain is rated high risk",
"reason": "high_risk",
"risk": 95,
"is_disposable": false,
"is_email_forwarder": false,
"is_public_free": false,
"is_public_premium": false,
"is_business_provider": false,
"is_isp_email": false,
"is_email_api": false,
"is_web_hosting_email": false,
"is_self_hosted": true,
"is_parked": false,
"is_role_based_email": false,
"mx_host": "mx.coupmail.online",
"mx_ip": "95.85.248.34",
"mx_info": "Using MX pointer mx.coupmail.online from DNS with priority: 10",
"mx_fallback": false,
"mx_hosts": [
"mx.coupmail.online",
"mx2.coupmail.online"
],
"mx_ips": [
"95.85.248.34",
"77.91.66.112"
],
"mx_priorities": {
"mx.coupmail.online": 10,
"mx2.coupmail.online": 20
},
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 32,
"domain_created_at": "2026-09-14T00:00:00+00:00",
"block_status_changed_at": "2026-10-15T03:17:11+00:00"
}
Status: Domain is rated high risk
Domain risk: 95
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Technical Details for coupmail.online
Risk Score
95 / 100
MX Host
mx.coupmail.online
Last updated: Oct 15, 2026
coupmail.online Domain Age
coupmail.online was registered on September 14, 2026 and is 1 month old.
How to Block coupmail.online
You can automatically block coupmail.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=coupmail.online"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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