Panel 11.0.9 Update #55 down my domain

[Antrax1]

System: Ubuntu 12.04.2 LTS
Previous panel: 11.0.9 #54

Today I installed the Panel 11.0.9 Update #55 in a clean instalation only have two week a one domain and my domain don´t work rejects all connections.

i haven´t error logs.

Thanks!