Threat Investigation

app.simplelogin.io

Caution Moderate Traffic Tranco #158,114

app.simplelogin.io operates primarily as a email service, focusing on email alias and privacy. SimpleLogin provides anonymous email aliases that forward to a user's primary inbox, allowing them to hide their real email address from websites. It is an open-source platform based in Switzerland and is part of the Proton ecosystem. It is operated by SimpleLogin, a subsidiary of Proton AG.

email privacyemail aliasesspam protectionopen source
Network Infrastructure

Historical and current IP address mappings for this domain.

Community Intelligence

Real experiences from people who visited this domain

Recent Threat Analysis

URLert analyzed recent scan activity for app.simplelogin.io

No public scans recorded recently

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Security Considerations

While app.simplelogin.io is an established platform, these capabilities require extra vigilance.

Custom Subdomains

app.simplelogin.io allows users to create custom addresses like "anything.simplelogin.io". An address like "paypal-secure.simplelogin.io" may look official but is actually controlled by whoever registered that subdomain—not SimpleLogin.

Remember: The platform itself is established, but even established platforms can be abused.

Something wrong?
Domain owner?
Developer API

Integrate Domain Intelligence

Access this classification data programmatically via our API.

GET /api/v1/classify?domain=app.simplelogin.io
{
  "domain": "simplelogin.io",
  "confidence": "high",
  "category": {
    "purpose": "email_service",
    "specialization": "Email Alias and Privacy"
  },
  "identity": {
    "headline": "Open-source email alias service for privacy and spam protection",
    "summary": "SimpleLogin provides anonymous email aliases that forward to a user's primary inbox, allowing them to hide their real email address from websites. It is an open-source platform based in Switzerland and is part of the Proton ecosystem.",
    "operator": "SimpleLogin",
    "parent_entity": "Proton AG",
    "topics": [
      "email privacy",
      "email aliases",
      "spam protection",
      "open source",
      "anonymous email"
    ]
  },
  "functions": {
    "is_ugc_platform": false,
    "is_file_host": false,
    "is_url_shortener": false,
    "is_public_idp": false,
    "is_crypto_platform": false,
    "allows_user_subdomains": true,
    "is_form_builder": false,
    "is_document_host": false
  },
  "facts": {
    "registered_date": "2019-06-14T17:20:14Z",
    "rank": 158114,
    "hosting_provider": "PROTON Proton AG"
  }
}

Hosting

PROTON Proton AG

Registered

Jun 14, 2019

Last Updated

Mar 9, 2026

Domain data sourced from WHOIS, Tranco rankings, and URLert's classification engine.