the online wiki is currently dead. forget to renew domain/web-services?
ellpeck.de/actaddmanual/

https://gyazo.com/7d05c31acc201f3ea278a9ec7ecff408

The ellpeck.de homepage and the online manual are working fine for me

i use google DNS. it might be a region issue? i'm in the US

yep. seems to back up now yay!
maybe it was delayed. (DNS server synchronizations)

Me too now. According to the hoster, it was fixed, and that's why I closed it.
Maybe something with your DNS?