Redirection issues between various versions of prom-gfe-nightly.sandbox.google.mobi may be causing access problems. See the links provided below to access the site through alternative routes:

http://prom-gfe-nightly.sandbox.google.mobi https://prom-gfe-nightly.sandbox.google.mobi

Or return to the current status page of prom-gfe-nightly.sandbox.google.mobi.