Even if help.mojang.com is configured to redirect to help.minecraft.net, the links that are shown in the migration flow aren't working because the TLS certificate presented by help.mojang.com expired a few days ago.
WEB-6515
TLS certificate for *.mojang.com expired on the 8th May 2023
Resolved
Fixed
0
This actually applies to any subdomain of mojang.com as the *.mojang.com subdomain expired on the 8th of May 2023 at 12:57 UTC.