Many mirror is broken and one mirror is malicious redirection behavior
Description:
Many mirrors in the mirrorlist downloaded with the package are broken—several servers don't respond, some redirect to incorrect URLs, and others lead to unrelated sites, such as personal accounts on x.com.
Steps to reproduce:
for example: http://www.gutscheindrache.com/mirror/archlinux/core/os/x86_64/core.db you are redirected to https://x.com/nike2play/status/1908560519386251659 this is malicious redirection behavior.
Fix
you can use https://wiki.archlinux.org/title/Ghostmirror for find good server and show server problems with option investigate.