Is mail.io safe for email registrations?

mail.io is a trustworthy email domain. You can safely accept email addresses from this domain.

How often is mail.io checked?

The domain mail.io has been checked 21 times. We regularly update our data to provide you with current information.

Can the classification of mail.io change?

Yes, the classification of a domain can change. We continuously monitor domains and adjust the classification when the behavior or reputation of a domain changes.

How can I check mail.io in my application?

You can use our free API to programmatically check domains. Visit our API documentation at maildomaincheck.com/api for more information.

mail.io is a trustworthy email domain

Trustworthy

Last checked: 2026-04-15 17:56 | Checked 21 times

✓ Trustworthy Domain

mail.io is considered a trustworthy email domain and is operated by an established email provider. Email addresses from this domain can generally be accepted without concern as they come from a reputable provider.

Trustworthy domains like mail.io are characterized by several features: They have correctly configured MX records (Mail Exchange Records), are actively used, and are subject to strict registration policies. Emails from such domains have high delivery rates and are rarely marked as spam.

For website operators and developers, this means that registrations with email addresses from mail.io can be classified as legitimate. The domain has been checked 21 times in our system, which underlines its relevance and prevalence.

📧 Validated Email Addresses

The following email addresses from mail.io have been validated:

Email Address	Syntax	Status	Last Checked
`[email protected]`	✅	Valid	2026-03-23 07:40
`[email protected]`	✅	Valid	2026-03-23 07:38

Note: This list shows the last 20 validated email addresses from this domain.

Frequently Asked Questions about mail.io

Yes, mail.io is considered trustworthy. Email addresses from this domain can be accepted for registrations. The domain is operated by an established provider and meets all security standards.

The data for mail.io is updated regularly. With each query via our API, the most important information is rechecked. Cached data remains valid for 24 hours, after which a new check is performed. The last update was on 2026-04-15 17:56.

Yes, the classification can change. If a trustworthy domain is compromised or a provider changes its security policies, this can affect the category. Similarly, disposable domains can be shut down or cease their services. We continuously monitor all domains and adjust the categorization as needed.

You can use our API to automatically check mail.io and other email domains. The API provides real-time information on category, MX records, risk score, and other data. Simply send a POST request to /api/search with the domain or email address. More information about the API

💻 API Data

This is what our API returns for this domain:

{
  "domain": "mail.io",
  "category": "good",
  "category_label": "Trustworthy",
  "mx_count": 0,
  "has_website": true,
  "check_count": 21,
  "last_checked": "2026-04-15T17:56:50+02:00"
}

🚀 Use API for free

📊 Statistics

Category: Trustworthy

Checks: 21

First checked: 2026-04-15

🕒 Recent Checks

IP Address	Time
`216.73.216.80`	2026-04-15 19:56
`94.74.108.47`	2026-04-15 17:56
`47.79.10.72`	2026-04-15 01:46
`217.113.194.218`	2026-04-12 20:12
`95.217.114.159`	2026-04-10 16:41

Shows the last 5 checks with captured IP address.

ℹ Information

This data was collected and analyzed automatically. The classification is based on multiple data sources and may change.

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