Is perfectbox.com.br valid?

perfectbox.com.br should be blocked (risk: 10/100). Use the Check-Mail API to detect risky domains.

perfectbox.com.br

perfectbox.com.br 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": "perfectbox.com.br",
    "base_domain": "perfectbox.com.br",
    "text": "Domain cannot receive email",
    "reason": "Domain declares it accepts no mail",
    "risk": 10,
    "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": true,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx-vip-01-farm74.uni5.net",
    "mx_ip": "191.6.220.38",
    "mx_info": "Domain declares it accepts no mail (RFC 7505 null MX).",
    "mx_fallback": false,
    "mx_hosts": [
        "mx-vip-01-farm74.uni5.net"
    ],
    "mx_ips": [
        "191.6.220.38"
    ],
    "mx_priorities": [],
    "email_provider": "Uni5 Host",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 894,
    "domain_created_at": "2024-03-25T00:00:00+00:00",
    "block_status_changed_at": "2026-08-29T03:43:42+00:00"
}
perfectbox.com.br should be blocked
perfectbox.com.br

Status: Domain cannot receive email

RISK
LOW

Domain risk: 10

Are you a programmer?

Did you know we have a free API to validate e-mails and block perfectbox.com.br?

Technical Details for perfectbox.com.br

Risk Score

10 / 100

MX Host

mx-vip-01-farm74.uni5.net

Email Provider

Uni5 Host

Last updated: Aug 29, 2026

perfectbox.com.br Domain Age

perfectbox.com.br was registered on March 25, 2024 and is 2 years, 5 months old.

How to Block perfectbox.com.br

You can automatically block perfectbox.com.br 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=perfectbox.com.br"

Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.

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