Oops, didn't check it correctly. Wildcards don't work, so should be ycombinator.com as value to block all subdomains. Read https://www.chromium.org/administrato

Oops, didn't check it correctly. Wildcards don't work, so should be ycombinator.com as value to block all subdomains. Read https://www.chromium.org/administrators/url-blocklist-filter-format https://www.chromium.org/administrators/url-blocklist-filter... for more :p ;) xx;p