(B) Service by Publication. Upon the filing of a certificate of the plaintiff's attorney stating that the attorney believes a defendant cannot be personally served, because after diligent inquiry within the state in which the complaint if filed the defendant's place of residence cannot be ascertained by the plaintiff or, if ascertained, that it is beyond the territorial limits of personal service as provided in this rule, service of the notice shall be made on this defendant by publication in a newspaper published in the county where the property is located, or if there is no such newspaper, then in a newspaper having a general circulation where the property is located, once a week for not less than three successive weeks. Prior to the last publication, a copy of the notice shall also be mailed to a defendant who cannot be personally served as provided in this rule but whose place of residence is then known. Unknown owners may be served by publication in like manner by a notice addressed to 'Unknown Owners.'Service by publication is complete upon the date of the last publication. Proof of publication and mailing shall be made by certificate of the plaintiff's attorney, to which shall be attached a printed copy of the published notice with the name and dates of the newspaper marked thereon.