If you are not sure if the website you want to visit is safe, you can check it out here. Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:daotao.vnua.edu.vn/WebResource.axd?d=5VQD2HdgKvxZu6ZrgCbjB6Dv7sCHvrI9is496y_ddHZwOzHnTON-08bc0ysKJHyAoxYzstyUjZQbC8ZfXvrNJtx-Sag1&t=63729105079036864...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)

Header

HTTP/1.1 200 OK
Cache-Control public
Content-Type image/gif
Expires Fri, 06 May 2022 02:54:24 GMT
Last-Modified Tue, 30 Jun 2020 02:11:19 GMT
Server Microsoft-IIS/10.0
X-AspNet-Version 2.0.50727
X-Powered-By ASP.NET
Access-Control-Allow-Origin htt???/daotao.vnua.edu.vn
Date Fri, 07 May 2021 00:02:59 GMT
Content-Length 43

Load Info

page size43
load time (s)0.745282
redirect count0
speed download57
server IP220.231.107.130


* all occurrences of the string "http://" have been changed to "htt???/"