Is siennacouture.co.uk valid?
siennacouture.co.uk should be blocked (risk: 75/100). Use the Check-Mail API to detect risky domains.
siennacouture.co.uk 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": "siennacouture.co.uk",
"base_domain": "siennacouture.co.uk",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 75,
"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.siennacouture.co.uk",
"mx_ip": "65.254.254.50",
"mx_info": "Using MX pointer mx.siennacouture.co.uk from DNS with priority: 30",
"mx_fallback": false,
"mx_hosts": [
"mx.siennacouture.co.uk"
],
"mx_ips": [
"65.254.254.50"
],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 8242,
"domain_created_at": "2004-01-27T00:00:00+00:00",
"block_status_changed_at": "2026-07-05T13:58:06+00:00"
}
Status: Highly suspicious
Domain risk: 75
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Technical Details for siennacouture.co.uk
Risk Score
75 / 100
MX Host
mx.siennacouture.co.uk
Last updated: Jul 5, 2026
siennacouture.co.uk Domain Age
siennacouture.co.uk was registered on January 27, 2004 and is 22 years, 7 months old.
How to Block siennacouture.co.uk
You can automatically block siennacouture.co.uk 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=siennacouture.co.uk"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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