Is 1mb.site valid?

1mb.site is an email forwarding domain (risk: 60/100). Verify it with the Check-Mail API.

1mb.site

1mb.site is an email forwarding domain that allows users to create aliases to hide their real email. These alias emails are frequently used by spammers to bypass verification systems.

Raw API JSON response:

{
    "valid": true,
    "block": false,
    "domain": "1mb.site",
    "base_domain": "1mb.site",
    "text": "Uses an email forwarding service",
    "reason": "Forwarding service",
    "risk": 60,
    "is_disposable": false,
    "is_email_forwarder": true,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": true,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx.sendgrid.net",
    "mx_ip": "15.222.160.229",
    "mx_info": "Using MX pointer mx.sendgrid.net from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.sendgrid.net"
    ],
    "mx_ips": [
        "15.222.160.229",
        "13.216.54.185",
        "44.245.249.202",
        "18.224.101.244",
        "34.198.67.24",
        "16.52.110.174",
        "3.136.245.72",
        "3.17.120.38",
        "52.37.49.26",
        "16.52.61.209",
        "44.216.124.122",
        "52.25.213.239"
    ],
    "mx_priorities": {
        "mx.sendgrid.net": 10
    },
    "email_provider": "Twilio SendGrid",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 2836,
    "domain_created_at": "2018-09-14T00:00:00+00:00",
    "block_status_changed_at": "2026-03-22T04:19:48+00:00"
}
1mb.site is a suspicious domain
1mb.site

Status: Uses an email forwarding service

RISK
MEDIUM

Domain risk: 60

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Technical Details for 1mb.site

Risk Score

60 / 100

MX Host

mx.sendgrid.net

Email Provider

Twilio SendGrid

Last updated: Mar 22, 2026

1mb.site Domain Age

1mb.site was registered on September 14, 2018 and is 7 years, 9 months old.

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