That’s basically the entire concept of a link aggregator (the technical term for reddit-like sites). I don’t expect OP asked the blog author for permission.
As you know, Lemmy doesn’t focus on internet points much so there’s really no harm in sharing and cross-posting, it’s not like it’s stealing.
https://en.wikipedia.org/wiki/.su
Looks like Finland was simply assigned .fi - https://en.wikipedia.org/wiki/.fi
and I didn’t know about .ax for Åland - https://en.wikipedia.org/wiki/.ax