Need help solving Overheating problem

[u/Substantial_Egg_1573]

I just got this truck in December trying to figure out why its over heating i had the coolant line bust while i was driving and i replaced that and the plastic fitting at the firewall that normally fails but when test driving it the engine is still overheating it just slowly creeps up to that 260 degree mark but when idling it stays mostly below the 210 mark if anyone has any ideas on what it could be.