It was ordered by the "Juzgado Central de Instrucción número 6" of the "Audiencia Nacional" which is presided by Manuel Maria Garcia-Castellon. The police cannot request taking-down a website without a judicial order.
Ok, so he's the same one who ordered detentions on 9 Catalan independence supporters under the accusations that they were preparing terrorist actions, even though there is no evidence on that?
It seems like he sees terrorism everywhere when he looks at Catalans.