Is psum.vb valid?

psum.vb is an invalid email domain. Block invalid domains with the free Check-Mail API.

psum.vb

psum.vb is an invalid domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this invalid domain. If a user is trying to sign-up using an e-mail on this domain, it's likely a typo, or a malicious attempt.

Raw API JSON response:

{
    "valid": false,
    "block": true,
    "domain": "psum.vb",
    "base_domain": null,
    "text": "Invalid domain - no DNS records",
    "reason": "Domain has no MX or A records",
    "risk": 100,
    "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": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": null,
    "mx_ip": null,
    "mx_info": "No MX or A records found",
    "mx_fallback": false,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": null
}
psum.vb is an invalid domain
psum.vb

Status: Invalid domain - no DNS records

RISK
HIGH

Domain risk: 100

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Technical Details for psum.vb

Risk Score

100 / 100

MX Host

N/A

Last updated: May 7, 2026

How to Block psum.vb

You can automatically block psum.vb 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=psum.vb"

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

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