On Wed, 21 Aug 2013, Samuel Steinhubel wrote:
I have tried to register a new mirror via web, however it fails with error "Unable to resolve the host you are mirroring from in DNS. Entry not submitted!"
As the error message says, the name of your upstream mirror can't be resolved.
The correct name is ftp.halifax.rwth-aachen.de -- Povl Ole Haarlev Olsen