Pass.rzd.ru has robots.txt file. Http response code is 200.
Robots size is very small. It is about 5 kb and 2 rows.

Robots.txt for User-Agent=* contains only disallow directives.

Host directive is not presented for domain pass.rzd.ru in robots.txt file.
Array
(
    [*] => Array
        (
            [disallow] => Array
                (
                    [0] => */accessible/
                )

        )

)
User-Agent: *
Disallow: */accessible/
  • код 302 http://pass.rzd.ru/robots.txt
  • код 302 http://pass.rzd.ru/jRYWS/robots.txt
  • код 302 http://pass.rzd.ru/robots.txt
  • код 200 https://pass.rzd.ru/robots.txt