The Foundation has purchased 4 seed nodes.
To add them in your current wallet
1 Open your wallet
2 Help
3 Debug
4 Open tab Console
5 Type the following codes (1 line at a time and press enter)
addnode seed1.quarkfoundation.cc add
addnode seed2.quarkfoundation.cc add
addnode seed3.quarkfoundation.cc add
addnode seed4.quarkfoundation.cc add
Future wallet releases will have these seed nodes hardcoded.