Mastu.ru has robots.txt file. Http response status is 200.
Robots size is very small. It is about 11 kb and 5 rows.

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

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

        )

    [openfind data gatherer] => Array
        (
            [disallow] => Array
                (
                    [0] => /
                )

        )

)
User-agent: *
Disallow: /_img/

User-agent: Openfind data gatherer
Disallow: /
  • код 200 http://mastu.ru/robots.txt