Is troostwijkonline.nl valid?
troostwijkonline.nl should be blocked (risk: 25/100). Use the Check-Mail API to detect risky domains.
troostwijkonline.nl 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": "troostwijkonline.nl",
"base_domain": "troostwijkonline.nl",
"text": "Domain cannot receive email",
"reason": "Domain declares it accepts no mail",
"risk": 25,
"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": "troostwijkonline.nl",
"mx_ip": "85.10.129.228",
"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": [],
"domain_age_days": 7545,
"domain_created_at": "2005-12-29T00:00:00+00:00",
"block_status_changed_at": "2026-07-12T14:04:10+00:00"
}
Status: Domain cannot receive email
Domain risk: 25
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Technical Details for troostwijkonline.nl
Risk Score
25 / 100
MX Host
troostwijkonline.nl
Last updated: Jul 12, 2026
troostwijkonline.nl Domain Age
troostwijkonline.nl was registered on December 29, 2005 and is 20 years, 8 months old.
How to Block troostwijkonline.nl
You can automatically block troostwijkonline.nl 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=troostwijkonline.nl"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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