Is fisp.spb.ru valid?

fisp.spb.ru 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": "fisp.spb.ru",
    "base_domain": "fisp.spb.ru",
    "text": "Looks okay",
    "reason": "No anomaly detected",
    "risk": 25,
    "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": "relay.fisp.spb.ru",
    "mx_ip": "176.32.191.58",
    "mx_info": "Using MX pointer relay.fisp.spb.ru from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "relay.fisp.spb.ru",
        "relay1.fisp.spb.ru"
    ],
    "mx_ips": [
        "176.32.191.58",
        "176.32.191.62"
    ],
    "mx_priorities": {
        "relay.fisp.spb.ru": 10,
        "relay1.fisp.spb.ru": 50
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 5990,
    "domain_created_at": "2010-04-23T00:00:00+00:00",
    "block_status_changed_at": "2020-10-26T08:10:06+00:00"
}