If you've come across lp5-msg.chat.zalo.me and are wondering whether it's safe, the short answer is: don't use it. Our analysis found serious problems that make this site a risk for anyone who visits it.
Messaging services handle all kinds of personal information, which is exactly why legitimate ones are transparent about who runs them and how they protect your data. This site has none of that. There is no about page, no company name, no contact details, and no privacy policy or terms of service. You have no way to know who is on the other end of your messages, and no legal protections if something goes wrong.
The security isn't great either. While it uses a valid SSL certificate, it still allows outdated TLS 1.0 and 1.1 connections — a vulnerability that most major browsers stopped supporting years ago. The site is hosted on a Vietnamese gaming network, which is an odd choice for a messaging platform and adds to the lack of clarity about what this service actually is.
Is lp5-msg.chat.zalo.me a scam? We can't say for certain what the intent behind it is, but the complete absence of transparency means you have no way to hold anyone accountable. There is not enough evidence to call it a proven scam, but there is also no reason to trust it. When a site that handles communications hides everything about itself, the safest bet is to walk away.
For messaging, stick with well-known services that clearly state their ownership, publish privacy policies, and give you a way to reach support. This site does none of those things.