go.mailku.biz.id is a disposable email domain

go.mailku.biz.id is a disposable temp email domain from mailku.biz.id that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "go.mailku.biz.id",
    "base_domain": "mailku.biz.id",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 100,
    "is_disposable": true,
    "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": false,
    "is_parked": null,
    "is_role_based_email": false,
    "mx_host": "go.mailku.biz.id",
    "mx_ip": "163.223.227.38",
    "mx_info": "No MX-pointer in DNS record. Using domain: go.mailku.biz.id",
    "mx_fallback": true,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": "mailku.biz.id",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-09-02T21:24:21+00:00"
}