HSTS is enforced by the web server. To proceed to the website regardless carry out the following:
1: Go to chrome://net-internals/#hsts
2: Search domain under “Query domain” and lookout for the information from the cache.
3: To clear the cache of a domain, you need to delete the domain under “Delete domain” heading.
4: Website now accessible
Credit goes to https://techglimpse.com/chrome-https-website-hsts-failed/