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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30 years of history for Restena’s 20th anniversary

To mark its 20th anniversary, the Restena Foundation has produced an anniversary publication retracing the major stages of its development, but above all the evolution of two types of networks to ...

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.lu is growing with short names

On Tuesday 15 December 2020, .lu domain names with one and two characters are availa-ble to all via the.lu accredited registrars, a key date representing the culmination of 15 weeks of the ...

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Computer security: understand and (re)act!

The Restena Foundation publishes a new series of publications to educate people operating in the research or education sector in Luxembourg on key thematic areas. Its first three ‘tip sheets’ ...

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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.


28.01 Co-organisation, Participation

Data Privacy Day 2021

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21-25.06 Participation