buildastra.biz.id is a disposable email domain
buildastra.biz.id is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
buildastra.biz.id is a disposable temp email domain from flashmail.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": "buildastra.biz.id",
"base_domain": "buildastra.biz.id",
"text": "Disposable \/ temporary domain",
"reason": "Disposable",
"risk": 91,
"is_disposable": true,
"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": "route3.mx.cloudflare.net",
"mx_ip": "162.159.205.23",
"mx_info": "Using MX pointer route3.mx.cloudflare.net from DNS with priority: 53",
"mx_fallback": false,
"mx_hosts": [
"route3.mx.cloudflare.net",
"route2.mx.cloudflare.net",
"route1.mx.cloudflare.net"
],
"mx_ips": [
"162.159.205.23",
"162.159.205.25",
"162.159.205.24",
"162.159.205.17",
"162.159.205.19",
"162.159.205.18",
"162.159.205.11",
"162.159.205.13",
"162.159.205.12"
],
"mx_priorities": {
"route1.mx.cloudflare.net": 7,
"route2.mx.cloudflare.net": 51,
"route3.mx.cloudflare.net": 53
},
"email_provider": "Cloudflare Email Routing",
"disposable_provider": "flashmail.biz.id",
"possible_typo": [],
"domain_age_days": 3,
"domain_created_at": "2026-07-27T00:00:00+00:00",
"block_status_changed_at": "2026-07-30T09:49:28+00:00"
}
Status: Disposable / temporary domain
Domain risk: 91
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Other domains from flashmail.biz.id
Our database contains less than 100 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for buildastra.biz.id
Risk Score
91 / 100
MX Host
route3.mx.cloudflare.net
Disposable Provider
Detection Method
Advanced heuristics
This domain was blocked heuristically. Unknown domains are automatically analyzed and tagged with our advanced algorithms.
Last updated: Jul 30, 2026
buildastra.biz.id Domain Age
buildastra.biz.id was registered on July 27, 2026 and is less than a month old.
How to Block buildastra.biz.id
You can automatically block buildastra.biz.id 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=buildastra.biz.id"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about buildastra.biz.id
What is buildastra.biz.id?
buildastra.biz.id is a disposable temporary email domain operated by flashmail.biz.id with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block buildastra.biz.id?
Yes. buildastra.biz.id is a disposable email domain with a HIGH risk level (score: 91/100). We recommend blocking this domain to prevent fake sign-ups, spam registrations, and potential fraud.
How old is buildastra.biz.id?
buildastra.biz.id was registered on July 27, 2026 and is less than a month old.
How do I block buildastra.biz.id emails?
Use the free Check-Mail API to automatically detect and block buildastra.biz.id and thousands of other disposable email domains. See the documentation for integration guides or get started with a free API key.
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