Is pobox.sk valid?

pobox.sk is a valid domain that should be allowed to do sign-ups and registrations. Based on our analysis, you should allow this domain.

Raw API JSON response:

{
    "valid": true,
    "block": false,
    "domain": "pobox.sk",
    "base_domain": "pobox.sk",
    "text": "Looks somewhat suspicious",
    "reason": "Some anomalies detected",
    "risk": 50,
    "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": "nm-sk-10mx2.eco-mx.cz",
    "mx_ip": "46.255.227.8",
    "mx_info": "Using MX pointer nm-sk-10mx1.eco-mx.cz from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "nm-sk-10mx2.eco-mx.cz",
        "nm-sk-20mx1.eco-mx.cz",
        "nm-sk-20mx2.eco-mx.cz",
        "nm-sk-10mx1.eco-mx.cz"
    ],
    "mx_ips": {
        "0": "46.255.227.8",
        "2": "46.255.225.8"
    },
    "mx_priorities": {
        "nm-sk-10mx1.eco-mx.cz": 10,
        "nm-sk-10mx2.eco-mx.cz": 10,
        "nm-sk-20mx1.eco-mx.cz": 20,
        "nm-sk-20mx2.eco-mx.cz": 20
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 8373,
    "domain_created_at": "2003-06-04T00:00:00+00:00",
    "block_status_changed_at": "2026-05-05T13:40:08+00:00"
}