Is iyw.tw valid?
iyw.tw is an email forwarding domain (risk: 100/100). Verify it with the Check-Mail API.
iyw.tw is an email forwarding domain that allows users to create aliases to hide their real email. These alias emails are frequently used by spammers to bypass verification systems.
Raw API JSON response:
{
"valid": true,
"block": true,
"domain": "iyw.tw",
"base_domain": "iyw.tw",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 100,
"is_disposable": false,
"is_email_forwarder": true,
"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": false,
"is_role_based_email": false,
"mx_host": "iyw.tw",
"mx_ip": "162.159.205.18",
"mx_info": "No MX-pointer in DNS record. Using domain: iyw.tw",
"mx_fallback": true,
"mx_hosts": [
"iyw.tw"
],
"mx_ips": [
"162.159.205.18"
],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": null,
"domain_created_at": null,
"block_status_changed_at": "2025-09-07T18:41:24+00:00"
}
Status: Highly suspicious
Domain risk: 100
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Technical Details for iyw.tw
Risk Score
100 / 100
MX Host
iyw.tw
Last updated: Sep 7, 2025
How to Block iyw.tw
You can automatically block iyw.tw 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=iyw.tw"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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