Can you playback when ip camera is offline

I have a hikvision dvr unit. sometimes one or several ip cameras go offline during the day.
I wanted to playback on a offline camera to see whether my staff had tamper3d with the cameras.

I found that you can only playback if you plug the camera back in and showing online.

is there a software that can search the harddrive and playback the offline camera recordings.

pointless ip system if u cannot playback recordings.
what if the cameras were stolen .you would want to see who stole them by...

Can you playback when ip camera is offline