No issue on my end.
Then like I said this is just the result of DNS propagation. You can see more about it here:
This will resolve itself with time.
What dan means is your DNS cache. It’s stored by your computer, not the WiFi network itself.
https://www.pcmag.com/how-to/how-to-flush-your-dns-cache
It’s a way for your PC to speed up how quickly you access remote servers by not having to do a DNS lookup each time. But this also means you won’t be able to access a site after a server change until the cache expires, or is cleared manually.