narsub.online is a disposable email domain

narsub.online is a disposable temp email domain from tempmaillab.com that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "narsub.online",
    "base_domain": "narsub.online",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x3",
    "risk": 100,
    "is_disposable": true,
    "is_email_forwarder": true,
    "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": "route2.mx.cloudflare.net",
    "mx_ip": "162.159.205.17",
    "mx_info": "Using MX pointer route1.mx.cloudflare.net from DNS with priority: 20",
    "mx_fallback": false,
    "mx_hosts": [
        "route2.mx.cloudflare.net",
        "route1.mx.cloudflare.net",
        "route3.mx.cloudflare.net"
    ],
    "mx_ips": [
        "162.159.205.17",
        "162.159.205.19",
        "162.159.205.18",
        "162.159.205.12",
        "162.159.205.11",
        "162.159.205.13",
        "162.159.205.23",
        "162.159.205.25",
        "162.159.205.24"
    ],
    "mx_priorities": {
        "route1.mx.cloudflare.net": 20,
        "route2.mx.cloudflare.net": 75,
        "route3.mx.cloudflare.net": 53
    },
    "email_provider": "Cloudflare Email Routing",
    "disposable_provider": "tempmaillab.com",
    "possible_typo": [],
    "domain_age_days": 145,
    "domain_created_at": "2026-01-15T00:00:00+00:00",
    "block_status_changed_at": "2026-04-13T08:31:03+00:00"
}