Is fastser.com valid?

fastser.com 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": "fastser.com",
    "base_domain": "fastser.com",
    "text": "Suspicious",
    "reason": "Some anomalies detected",
    "risk": 60,
    "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": true,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx.fastser.com",
    "mx_ip": "62.149.128.160",
    "mx_info": "Using MX pointer mx.fastser.com from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.fastser.com"
    ],
    "mx_ips": [
        "62.149.128.160",
        "62.149.128.163",
        "62.149.128.154",
        "62.149.128.166",
        "62.149.128.157",
        "62.149.128.151"
    ],
    "mx_priorities": {
        "mx.fastser.com": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 4644,
    "domain_created_at": "2013-12-03T00:00:00+00:00",
    "block_status_changed_at": "2026-08-13T19:21:05+00:00"
}