nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The DOCTYPE is a required preamble for HTML5 websites.
These websites are related to clear-space.co.jp in terms of content, traffic and structure
itnjapan.com
bouon-pialiving.blogspot.jp
awaya-farm.com
hanafusatrust.com
sandalphon.jp
tontontonda.jp
ookii-shop.com
ritzland.com