Is dancs.sk valid?
dancs.sk should be blocked (risk: 95/100). Use the Check-Mail API to detect risky domains.
dancs.sk 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": "dancs.sk",
"base_domain": "dancs.sk",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"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": "mail.dancs.sk",
"mx_ip": "93.184.76.162",
"mx_info": "Using MX pointer mail.dancs.sk from DNS with priority: 5",
"mx_fallback": false,
"mx_hosts": [
"mail.dancs.sk"
],
"mx_ips": [
"93.184.76.162"
],
"mx_priorities": {
"mail.dancs.sk": 5
},
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 2306,
"domain_created_at": "2020-04-24T00:00:00+00:00",
"block_status_changed_at": "2026-03-13T11:02:24+00:00"
}
Status: Highly suspicious
Domain risk: 95
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Technical Details for dancs.sk
Risk Score
95 / 100
MX Host
mail.dancs.sk
Last updated: Mar 13, 2026
dancs.sk Domain Age
dancs.sk was registered on April 24, 2020 and is 6 years, 3 months old.
How to Block dancs.sk
You can automatically block dancs.sk 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=dancs.sk"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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