FEED LINK NOT WORKING?

so let’s say i have a website called “www.mydomain.com”

for my feeds, this link works fine:

“https://mydomain.com/wp-rss.php”

but on my blog, at the footer, where it says:

“RSS Entries and RSS Comments” those links do not work

RSS Entries points to “https://mydomain.com/feed”

RSS Comments points to “https://mydomain.com/comments/feed”