Temp Mail Detector reports that reg.io.vn is a temporary email that belongs to 5smail.email which was identified 3 hours ago.
Below you can find a detailed breakdown of what is reg.io.vn and the signals which identify this domain as a temporary email provider.
{
"domain": "reg.io.vn",
"score": 100,
"meta": {
"block_list": true,
"domain_age": -1,
"website_resolves": false,
"accepts_all_addresses": true,
"valid_email_security": true,
"forwarding": true
}
}
Block ListA temp mail block list contains domains associated with temporary email services, often used for spam or fraudulent activities. Domains like reg.io.vn are blocked to prevent misuse, as they offer short-lived, disposable email addresses. Being on this list helps protect websites from spam and malicious activities. |
Blocked |
Domain ageDomain age can be an important factor as older domains are often seen as more trustworthy and established, which can improve their reputation. reg.io.vn is Unknown years old which can affect its trustworthiness. Search engines and security systems often view newer domains with suspicion as they are more likely to be used for malicious activities. Older domains generally have a more stable history, making them less likely to be blacklisted. |
Unknown years |
Website resolvesTemporary email services often don't need websites, and so they do not resolve to a website. The reg.io.vn website does not resolve. This is a strong indicator that this website is used primarily for email purposes and could be a temp mail provider. By using this signal with other heuristics we can get a better idea of whether this website is a temporary email provider. |
Doesn't resolve |
Accepts all addressesAccepts All Addresses refers to a mail server configuration where any email sent to an address under a specific domain is accepted, regardless of whether the local part (before the '@') exists. This is common in temporary email services such as with reg.io.vn, where users can create random email addresses on the fly. |
Accepts all |
Uses email forwardingSome temporary email providers make use of forwarding email services to blend in with legitimate email providers, making it hard to track and prevent abuse. reg.io.vn makes use of a forwarding service and has been marked as such. |
Forwarding email |
Valid email securityreg.io.vn has valid email security configured. This helps email providers prevent spam, fraud, and abuse. Large email providers such as Google require this as a pre-condition to be able to send mail to their service. This can help or affect a domains reputation, and can help identify disposable email providers. |
Valid |
reg.io.vn was first identified on 24-01-2026, and is continuously monitored and updated by TempMailDetector.com.
For the latest classification and update history, refer to this page or access the data via the API.