Thanks. Other thing I noticed is FMHY is failing to federate with Hexbear, one of the most active instances. Compare:

• https://old-lemmy.fmhy.net/c/news@hexbear.net?sort=New&listingType=All (no new post this week)
• https://old.lemmy.zip/c/news@hexbear.net?sort=New&listingType=All (13 new posts in the last 24 horus)

Some instances don't like to federate with them, but I see Hexbear linked with FMHY, so I guess there's something wrong.

There's something wrong in fetching thumbnails for old-lemmy.

• old-lemmy.fmhy.net: https://i.imgur.com/t8OPh7e.png
• old.lemmy.zip: https://i.imgur.com/vuSwxiD.png

Ah, I just noticed this issue isn't restricted to mlmym frontend... So it's something affecting Lemmy FMHY instance as a whole.

Example:

• https://old.lemmy.zip/post/2631959
• https://old-lemmy.fmhy.net/post/615405

Thank you!

Maybe you should promote these links in main page sidebar like other instances do for people to notice them.