2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45157We address the question of the existence of magnetic domains in a recent scenario for the creation of primordial magnetic fields. We write down the magnetohydrodynamic equation in an expanding universe in the infinite conductivity limit and discuss its solution. No domains are found.6 pages LaTeX, no figures. NORDITA-94/23 PHigh Energy Physics - Phenomenologytext