I think it doesn't have any cache. Did you try to type https://njump.me/YourNip5WithDomain ?
Discussion
Lol, it works fine but still shows the old NIP05 address. Smh. https://njump.me/rottenwheel@ok0.org
Weird. Try with my njump ?
njump.fractalized.net
Yours works! It's alright, no big deal. https://njump.fractalized.net/rottenwheel@ok0.org
Clear your cache âš¡