Is castlegatepartnership.co.uk valid?
castlegatepartnership.co.uk should be blocked (risk: 75/100). Use the Check-Mail API to detect risky domains.
castlegatepartnership.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": "castlegatepartnership.co.uk",
"base_domain": "castlegatepartnership.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": "mailserver.castlegatepartnership.co.uk",
"mx_ip": "213.171.216.114",
"mx_info": "Using MX pointer mailserver.castlegatepartnership.co.uk from DNS with priority: 0",
"mx_fallback": false,
"mx_hosts": [
"mailserver.castlegatepartnership.co.uk"
],
"mx_ips": [
"213.171.216.114"
],
"mx_priorities": {
"mailserver.castlegatepartnership.co.uk": 0
},
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 8751,
"domain_created_at": "2002-09-11T00:00:00+00:00",
"block_status_changed_at": "2026-04-16T08:13:49+00:00"
}
Status: Highly suspicious
Domain risk: 75
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Technical Details for castlegatepartnership.co.uk
Risk Score
75 / 100
MX Host
mailserver.castlegatepartnership.co.uk
Last updated: Apr 16, 2026
castlegatepartnership.co.uk Domain Age
castlegatepartnership.co.uk was registered on September 11, 2002 and is 23 years, 11 months old.
How to Block castlegatepartnership.co.uk
You can automatically block castlegatepartnership.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=castlegatepartnership.co.uk"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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