Is rcjcorp.hn valid?
rcjcorp.hn should be blocked (risk: 100/100). Use the Check-Mail API to detect risky domains.
rcjcorp.hn 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": "rcjcorp.hn",
"base_domain": "rcjcorp.hn",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 100,
"is_disposable": false,
"is_email_forwarder": false,
"is_public_free": false,
"is_public_premium": false,
"is_business_provider": true,
"is_isp_email": false,
"is_email_api": false,
"is_web_hosting_email": false,
"is_self_hosted": false,
"is_parked": false,
"is_role_based_email": false,
"mx_host": "rcjcorp-hn.mail.protection.outlook.com",
"mx_ip": "52.101.194.0",
"mx_info": "Using MX pointer rcjcorp-hn.mail.protection.outlook.com from DNS with priority: 0",
"mx_fallback": false,
"mx_hosts": [
"rcjcorp-hn.mail.protection.outlook.com"
],
"mx_ips": [
"52.101.194.0",
"40.93.192.4",
"52.101.9.0",
"52.101.42.18"
],
"mx_priorities": {
"rcjcorp-hn.mail.protection.outlook.com": 0
},
"email_provider": "Exchange Online",
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": null,
"domain_created_at": null,
"block_status_changed_at": "2025-08-30T14:47:29+00:00"
}
Status: Highly suspicious
Domain risk: 100
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Technical Details for rcjcorp.hn
Risk Score
100 / 100
MX Host
rcjcorp-hn.mail.protection.outlook.com
Email Provider
Exchange Online
Last updated: Aug 30, 2025
How to Block rcjcorp.hn
You can automatically block rcjcorp.hn 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=rcjcorp.hn"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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