Is ulook.com valid?
ulook.com should be blocked (risk: 15/100). Use the Check-Mail API to detect risky domains.
ulook.com 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": "ulook.com",
"base_domain": "ulook.com",
"text": "Domain cannot receive email",
"reason": "Domain declares it accepts no mail",
"risk": 15,
"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": "ulook.com",
"mx_ip": "34.209.77.109",
"mx_info": "Domain declares it accepts no mail (RFC 7505 null MX).",
"mx_fallback": false,
"mx_hosts": [],
"mx_ips": [],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [
"outlook.com"
],
"domain_age_days": 9073,
"domain_created_at": "2001-10-14T00:00:00+00:00",
"block_status_changed_at": "2026-08-16T23:53:26+00:00"
}
Status: Domain cannot receive email
Domain risk: 15
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Technical Details for ulook.com
Risk Score
15 / 100
MX Host
ulook.com
Last updated: Aug 16, 2026
ulook.com Domain Age
ulook.com was registered on October 14, 2001 and is 24 years, 10 months old.
How to Block ulook.com
You can automatically block ulook.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=ulook.com"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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