Is blek.ru valid?
blek.ru should be blocked (risk: 95/100). Use the Check-Mail API to detect risky domains.
blek.ru 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": "blek.ru",
"base_domain": "blek.ru",
"text": "Domain not accepted",
"reason": "blacklisted",
"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": false,
"is_parked": null,
"is_role_based_email": false,
"mx_host": "void.blackhole.mx",
"mx_ip": "78.47.159.103",
"mx_info": "Using MX pointer void.blackhole.mx from DNS with priority: 0",
"mx_fallback": false,
"mx_hosts": [
"void.blackhole.mx"
],
"mx_ips": [
"78.47.159.103",
"195.201.28.161",
"95.217.0.12"
],
"mx_priorities": {
"void.blackhole.mx": 0
},
"email_provider": null,
"disposable_provider": "blackhole.mx",
"possible_typo": [],
"domain_age_days": 7308,
"domain_created_at": "2006-10-25T00:00:00+00:00",
"block_status_changed_at": "2026-10-26T12:02:12+00:00"
}
Status: Domain not accepted
Domain risk: 95
Are you a programmer?
Did you know we have a free API to validate e-mails and block blek.ru?
Other domains from blackhole.mx
Our database contains more than 200 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for blek.ru
Last updated: Oct 26, 2026
blek.ru Domain Age
blek.ru was registered on October 25, 2006 and is 20 years old.
How to Block blek.ru
You can automatically block blek.ru 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=blek.ru"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Related Resources
Recently checked domains:
intrancu.com idhawaii.com maidcare.com cwsgear.com turnproxy.com