I just maade a character to test 7 signs geodata.
1st Dungeon (Gludio)
-77520, 209312, -7664 (stuck)
After 1st video you have to change "enter to chat"
2nd Dungeon (Aden)
-87327, 22038, -7529 (stuck)
-86948, 217355, -7523 (stuck)
-87200, 217184, -7536 (stuck)
This is all I found at this time.