I have tried everything, clearing cookies, using VPNs, changing browser but nothing. The only way I have been able to access it is form my phone so it seems like my PC as a whole is being blocked. Please let me know if there is any way to fix this as it is extremely frustrating.
try flushing your DNS follow instructions exactly https://support.ucsd.edu/services?id=kb_article_view&sysparm_article=KB0033298