Welcome to Restena

Customised network and security services for Luxembourg's actors in the research and education, health, culture and national administration sectors for the management of the .lu domain name registration infrastructure.  

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Understand, avoid and react to a social engineering attack

The Restena Foundation has published a tip sheet on social engineering attacks, part of its awareness-raising activities on IT security issues.

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CyberDay.lu: effectively protect against cyber attacks

On 14 October 2021, the 4th annual CyberDay.lu, the cybersecurity event for research and education in Luxembourg, was held in Esch-Belval. There, speakers shared many valuable recommendations and ...

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Support to future computer security professionals

A partner of the new BTS cybersecurity, the Restena Foundation is intensifying its collaboration with the Lycée Guillaume Kroll in Esch-sur-Alzette to train tomorrow's computer security professionals.

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Get to know us

The Restena Foundation helps to bring together telecommunication infrastructure for research and education. We provide interconnection, network and security services for a nationwide user community in the sectors of education and research, as well as culture, health and administration.

We also co-ordinate internet resources at the national level. We manage the .lu domain name registration infrastructure and most of the technical operations of the LU-CIX internet traffic exchange platform.


Domain names in 1 and 2 characters

Registering a domain name with one or two characters becomes possible.


LU-CIX backbone management

Technical management of the national internet traffic exchange node.



Ensuring effective, relevant, high-value, and competitive research and innovation activity throughout Europe.


Registry Lock

Locking and authenticating your domain name.


16-18.11 Participation

Luxembourg Internet Days 2021

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17.11 Participation, Intervention