Nebraska Statutes: 25-21,106
25-21,106. Service of process; parties bound by proceedings. The defendants may be served in the same manner as in ordinary civil action by summons, or by publication as provided in this code, and when all the parties in interest have been duly served, any of the proceedings herein prescribed shall be binding and conclusive upon them all. If only a portion of such parties be served, they only shall be bound by such proceedings.