Ala. Code § 40-10-30

Such deed shall be signed by the judge of probate in his official capacity, and by him acknowledged before some officer authorized to take acknowledgment of deeds, and it shall be, in all the courts of the state, prima facie evidence of the regularity of all proceedings recited therein both prior and subsequent to the decree of sale in any controversy, proceeding or suit involving or concerning the rights of the purchaser, his heirs or assigns to the real estate thereby conveyed.