Palmyra baghdad dungeon experts!

i reached 123
& i see 5 Quests for that doungen
& around half the area is open for me to hunt in

someone else got 9 Quests
what what lvl i can get more quests?
& the max lvl for full quests?

is baghdad doungoen limited in entering? i mean same as jupiter? 3~5 times a day Only?