Have 3 independent servers (America, Europe, Asia)
confirm if your website is really down.

is http://lms.hcm.edu.vn working?

http://lms.hcm.edu.vn YOUR WEBSITE IS UP

Warsaw, Poland

HTTP/1.1 5Ο2 Bad Gateway

Chicago, USA

HTTP/1.1 2ΟΟ OK

Singapore, Asia

HTTP/1.1 5Ο3 Service Tempοrarily Unavailable

Test performed on 2021-09-28 06:23:19

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Sở Giáo dục TP.HCM

http://lms.hcm.edu.vn

Monitor availability and performance of your website, on-line shop or web application.