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Our support team is happy to help you, be it for technical or administrative issues. We’re there for you!


+41 (0)84 800 80 80

(Calls from Switzerland 8 centimes / minute)


Monday to Friday
8:00 am – 5:30 pm

9:00 am – 4:00 pm

1 Administration: Monday to Friday


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To be able to help you as quickly and effectively as possible, we kindly ask that you make your request as specific as possible. And of course you can contact us by email:

Operating systems used by Hoststar

Support > Administration > before ordering, useful information

We run only Linux systems (openSUSE, Ubuntu and CentOS) in the Hoststar server farm. Linux is a stable server environment that can be adapted to particular requirements. The entire Hoststar server farm is also protected by cutting-edge firewall technology. We give everything we have to ensure that the software running on our servers and systems is always up-to-date.

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