simplo.cz robots.txt parsing

Simplo.cz has robots.txt file. Http response code is 200.
Robots size is very small. It is about 21 kb and 8 rows.

simplo.cz has sitemap file http://www.simplo.cz/sitemap.xml. Robots.txt for User-Agent=* contains only disallow directives.

Host directive is not presented for domain simplo.cz in robots.txt file.

Array
(
    [*] => Array
        (
            [disallow] => Array
                (
                    [0] => /application/
                    [1] => /modules/
                    [2] => /system/
                    [3] => /vendor/
                )

            [sitemap] => Array
                (
                    [0] => http://www.simplo.cz/sitemap.xml
                )

        )

)

# robots.txt
User-agent: *
Disallow: 
Disallow: /application/
Disallow: /modules/
Disallow: /system/
Disallow: /vendor/
Sitemap: http://www.simplo.cz/sitemap.xml

код 301 http://simplo.cz/robots.txt
код 200 https://www.simplo.cz/robots.txt