Repo update error

i keep getting this cannot connect error

[root@panel ~]# zppy update
Updating package list..
  Connecting to store.sentora.org/repo
  Getting list from store.sentora.org/repo
  Failed to contact the URL 'store.sentora.org/repo'
  Connecting to zppy-repo.mach-hosting.com/repo
  Getting list from zppy-repo.mach-hosting.com/repo
  Failed to contact the URL 'zppy-repo.mach-hosting.com/repo'
  Connecting to zppy.lupoinfo.com.br
  Getting list from zppy.lupoinfo.com.br
  Failed to contact the URL 'zppy.lupoinfo.com.br'


and it does not download any repo files or stuff.. my firewall is disabled.

any solutions? im trying to install some modules from repo.