Had a look; not conclusive either way.
If you think you might actually have lost shares, you could go a more 'official' route...
https://www.australianshareholders.com.au/Public/Investor-Journey/How-do-i-buy-sell-shares/How-to-find-lost-dividends-and-shares
https://asic.gov.au/for-consumers/unclaimed-money/
and/or see what Investafind want from you in order to return your shares/dividends, and whether their request raises any red flags...
