Is sudo.guide valid?
sudo.guide is an email forwarding domain (risk: 80/100). Verify it with the Check-Mail API.
sudo.guide 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": true,
"domain": "sudo.guide",
"base_domain": "sudo.guide",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 80,
"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": false,
"is_web_hosting_email": false,
"is_self_hosted": false,
"is_parked": false,
"is_role_based_email": false,
"mx_host": "route1.mx.cloudflare.net",
"mx_ip": "162.159.205.12",
"mx_info": "Using MX pointer route1.mx.cloudflare.net from DNS with priority: 53",
"mx_fallback": false,
"mx_hosts": [
"route1.mx.cloudflare.net",
"route2.mx.cloudflare.net",
"route3.mx.cloudflare.net"
],
"mx_ips": [
"162.159.205.12",
"162.159.205.11",
"162.159.205.13",
"162.159.205.18",
"162.159.205.17",
"162.159.205.19",
"162.159.205.24",
"162.159.205.25",
"162.159.205.23"
],
"mx_priorities": {
"route1.mx.cloudflare.net": 53,
"route2.mx.cloudflare.net": 69,
"route3.mx.cloudflare.net": 71
},
"email_provider": "Cloudflare Email Routing",
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": null,
"domain_created_at": null,
"block_status_changed_at": "2025-11-28T15:18:27+00:00"
}
Status: Highly suspicious
Domain risk: 80
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Technical Details for sudo.guide
Risk Score
80 / 100
MX Host
route1.mx.cloudflare.net
Email Provider
Cloudflare Email Routing
Last updated: Nov 28, 2025
How to Block sudo.guide
You can automatically block sudo.guide and thousands of other disposable and fraudulent email domains using the free Check-Mail API. Simply query the API with any email domain to get an instant block recommendation.
Example API request:
curl -X POST "https://api.check-mail.org/v2/" \ -H "Authorization: Bearer YOUR_API_KEY" \ -d "domain=sudo.guide"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
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