400 the plain http request was sent to https port
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
DYN dns services
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
These websites are related to boxcloud.com in terms of content, traffic and structure