viag21webs.staging.unanim.studio robots.txt parsing

Viag21webs.staging.unanim.studio has robots.txt file. Http response code is 200.
Robots size is very small. It is about 3 kb and 2 rows.

The Domain is inaccessible for indexation by search robots because robots.txt has directive "Disallow: /".

Host directive is not presented for domain viag21webs.staging.unanim.studio in robots.txt file.

Array
(
    [*] => Array
        (
            [disallow] => Array
                (
                    [0] => /
                )

        )

)

User-agent: *
Disallow: /

код 301 http://viag21webs.staging.unanim.studio/robots.txt
код 200 https://viag21webs.staging.unanim.studio/robots.txt