Is rankine.uk.com valid?

rankine.uk.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": "rankine.uk.com",
    "base_domain": "rankine.uk.com",
    "text": "Looks okay",
    "reason": "Heuristics: WM1",
    "risk": 10,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": true,
    "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": "mx01.mail.icloud.com",
    "mx_ip": "17.57.155.25",
    "mx_info": "Using MX pointer mx01.mail.icloud.com from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx01.mail.icloud.com",
        "mx02.mail.icloud.com",
        "mail.rankine.uk.com"
    ],
    "mx_ips": {
        "0": "17.57.155.25",
        "1": "17.57.156.30",
        "2": "17.42.251.62",
        "3": "17.56.9.31",
        "4": "17.57.152.5",
        "5": "17.57.154.33",
        "12": "78.157.217.3"
    },
    "mx_priorities": {
        "mail.rankine.uk.com": 25,
        "mx01.mail.icloud.com": 10,
        "mx02.mail.icloud.com": 10
    },
    "email_provider": "iCloud+ Custom Domain",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 8486,
    "domain_created_at": "2003-02-19T00:00:00+00:00",
    "block_status_changed_at": "2020-05-26T14:30:57+00:00"
}