ERR_NAME_NOT_RESOLVED

Question

Does anyone have an idea how to resolve the ERR_NAME_NOT_RESOLVED error? 
 
Already did a DNS flush and the error still persist. Is there another way we can load the /js/forms2/js/forms2.min.js This issue is only happening for some users however one of the users is from our web development team.
Page Url: https://dev-cus-cms-app.azurewebsites.net/us-en
 
Any insight will be appreciated.
 
Thanks,

SanfordWhiteman · Answer

You (now) have an explicit CSP policy blocking that script from loading. It will never work in your current config.

Refused to load the script 'https://us-en.royalprestige.com/js/forms2/js/forms2.min.js' because it violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' tags.crwdcntrl.net googleads.g.doubleclick.net *.googleadservices.com *.taboola.com *.googletagmanager.com *.azureedge.net devcuscmssa01.blob.core.windows.net cdn.jsdelivr.net *.cloudflare.com *.bootstrapcdn.com *.jquery.com  *.googleapis.com *.gstatic.com  www.google.com *.google-analytics.com apis.google.com connect.facebook.net ajax.aspnetcdn.com https://www.youtube.com platform.twitter.com https://syndication.twitter.com/ https://s.ytimg.com https://publish.twitter.com *.twimg.com platform.linkedin.com http://platform.stumbleupon.com/1/widgets.js https://cdn.insight.sitefinity.com https://dec.azureedge.net/ munchkin.marketo.net *.eloqua.com js.hs-scripts.com js.hs-analytics.net *.en25.com cdn.ampproject.org". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback.

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