Whenever, in actions affecting specific property, or any interest therein, or any res within the jurisdiction of the court, or in matrimonial actions over which the court has jurisdiction, wherein it shall appear by affidavit of the plaintiff's attorney or other person having knowledge of the facts, that a defendant cannot, after diligent inquiry as required by this rule, be served within the State, service may, consistent with due process of law, be made by any of the following four methods:
(a) personal service outside this State as prescribed by R. 4:4-4(b)(1)(A) and (B); or
(b) service by mail as prescribed by R. 4:4-4(b)(1)(C); or
(c) by publication of a notice to absent defendants once in a newspaper published or of general circulation in the county in which the venue is laid; and also by mailing, within 7 days after publication, a copy of the notice as herein provided and the complaint to the defendant, prepaid, to the defendant's residence or the place where the defendant usually receives mail, unless it shall appear by affidavit that such residence or place is unknown, and cannot be ascertained after inquiry as herein provided or unless the defendants are proceeded against as unknown owners or claimants pursuant to R. 4:26-5(c). If defendants are proceeded against pursuant to R. 4:26-5(c), a copy of the notice shall be posted upon the lands affected by the action within 7 days after publication. The notice of publication to absent defendants required by this rule shall be in the form of a summons, without a caption. The top of the notice shall include the docket number of the action, the court, and county of venue. The notice shall state briefly:
(1) The notice required by this rule shall be in the form of a summons, without a caption, and shall state briefly (1) the object of the action and the name of the person to whom it is addressed and why such person is made a defendant; and (2) where the action concerns real estate, the municipality in which and the street on which the real estate is situate, and, if theproperty is improved, the street number of the same, if any, and if a mortgage is to be foreclosed, the parties thereto and the date thereof;
(2) The inquiry required by this rule shall be made by the plaintiff, plaintiff's attorney actually entrusted with the conduct of the action, or by the agent of the attorney; it shall be made of any person who the inquirer has reason to believe possesses knowledge or information as to the defendant's residence or address or the matter inquired of; the inquiry shall be undertaken in person or by letter enclosing sufficient postage for the return of an answer; and the inquirer shall state that an action has been or is about to be commenced against the person inquired for, and that the object of the inquiry is to give notice of the action in order that the person may appear and defend it. The affidavit of inquiry shall be made by the inquirer fully specifying the inquiry made, of what persons and in what manner, so that by the facts stated therein it may appear that diligent inquiry has been made for the purpose of effecting actual notice; or
(d) as may be provided by court order.
The inquiry required by this rule shall be made by the plaintiff, plaintiff's attorney actually entrusted with the conduct of the action, or by the agent of the attorney; it shall be made of any person who the inquirer has reason to believe possesses knowledge or information as to the defendant's residence or address or the matter inquired of; the inquiry shall be undertaken in person or by letter enclosing sufficient postage for the return of an answer; and the inquirer shall state that an action has been or is about to be commenced against the person inquired for, and that the object of the inquiry is to give notice of the action in order that the person may appear and defend it. The affidavit of inquiry shall be made by the inquirer fully specifying the inquiry made, of what persons and in what manner, so that by the facts stated therein it may appear that diligent inquiry has been made for the purpose of effecting actual notice.