Is 2.biz valid?

2.biz should be blocked (risk: 100/100). Use the Check-Mail API to detect risky domains.

2.biz

2.biz 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": "2.biz",
    "base_domain": "2.biz",
    "text": "Domain cannot receive email",
    "reason": "MX points to a non-routable address",
    "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": "2.biz",
    "mx_ip": "127.0.0.1",
    "mx_info": "No MX-pointer in DNS record. Using domain: 2.biz",
    "mx_fallback": true,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 6205,
    "domain_created_at": "2009-09-02T00:00:00+00:00",
    "block_status_changed_at": "2026-07-27T23:20:25+00:00"
}
2.biz should be blocked
2.biz

Status: Domain cannot receive email

RISK
HIGH

Domain risk: 100

Are you a programmer?

Did you know we have a free API to validate e-mails and block 2.biz?

Technical Details for 2.biz

Risk Score

100 / 100

MX Host

2.biz

Last updated: Jul 27, 2026

2.biz Domain Age

2.biz was registered on September 2, 2009 and is 17 years old.

How to Block 2.biz

You can automatically block 2.biz 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=2.biz"

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

Related Resources

Recently checked domains:

dnsink.com         fshionshop.com         workwinger.com         tabeebee.com         usmary.com