 Domínguez akamiririra Spain pamatanho akasiyana evechidiki uye muna 2009 akashevedzwa kuchikwata cheSpanish cheU-20 kuFIFA U-20 World Cup. Akabva adaidzwa zita rake muchikwata chaLuis Milla chevadiki pasi pemakore makumi maviri nerimwe mugore ra2011UEFA European Championship. Akatanga mumitambo yese yeSpain, achibatana naAlberto Botía weSporting de Gijón mudziviriri wepakati, sezvo timu yenyika yakakunda mutambo kuDenmark. Gore rakatevera, Domínguez akaverengerwa muchikwata cheSpain chemitambo yeOlympic ya2012 pamwe chete nevatambi veAtlético Madrid Adrián López naKoke. Spain yakabviswa pakutanga, zvisinei, mushure mekukundwa neJapan neHonduras vakavaona vachibviswa mumutambo. 