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

is http://coaweb.semarnat.gob.mx working?

http://coaweb.semarnat.gob.mx YOUR WEBSITE IS UP

Warsaw, Poland

HTTP/1.1 2ΟΟ OK

Chicago, USA

HTTP/1.1 2ΟΟ OK

Singapore, Asia

HTTP/1.1 2ΟΟ OK

Test performed on 2018-06-21 00:12:20

Refresh

Apache Tomcat/8.0.39

http://coaweb.semarnat.gob.mx

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

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