Thing about Novaexchange is they have been sold and are in talks with new owners about where how when things will change over etc etc
https://novaexchange.com/news/017-12-10 17:44 - Ongoing discussions with new owners
Discussions with new owners are going well and it seems very likely that there will be a simple way to migrate from old site to new site (same domain, just new management). Hopefully this will be ready around February 2018. More information will be published as soon as we know more.