Russian based DNS services.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The DOCTYPE is a required preamble for HTML5 websites.
Websites using https protocol.
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 dteatr.ru in terms of content, traffic and structure
teatr-uz.ru
vipkino.net
kvartet-i.ru
balticdebuts.ru
shalom-theatre.ru
golden-ring.ru
arthouse-vt.ru
catra.su