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
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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