Unknown Status Icon in Other Styles
Related icons are the icons with matching tags, as well as all messaging icons
. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors
Idea of Unknown Status Icon
It's a logo of a circle in the middle and then on the right and left two smaller circles on each side in a straight line and on top and bottom one smaller circle in a straight line to form sort of an equal sideways cross look to it.
This page shows the different variations of the Unknown Status from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free.