If you are looking information on the old CANZ website, it can be found here:
https://pre2022.canz.net.nz/
Additionally, the National Library has excellent archives of older versions of the CANZ Website:
Latest Harvest: https://natlib.govt.nz/records/22073498
Older Harvests: https://ndhadeliver.natlib.govt.nz/webarchive/20220115204514/http:/canz.net.nz/