Netnod is a non-profit, neutral and professional technical Internet infrastructure organisation based in Sweden. 

Netnod manages Internet exchange points (IXPs) in five cities in Sweden and one in Denmark.  Netnod is also the operator of i.root-servers.net, one of 13 logical DNS root name servers. Netnod offers DNS anycast and unicast slave services to TLDs worldwide, from over 50 sites around the world.