cache

https://campus.barracuda.com/product/websecurityagent/doc/73699516/how-…

para o firefox - about:networking#dns
https://techwiser.com/clear-dns-cache-on-browser/

https://www.scalescale.com/tips/nginx/configure-nginx-fastcgi-cache/

se der o erro:

Testing nginx configuration: nginx: [emerg] the size 104857600 of shared memory zone "YOURAPP" conflicts with already declared size 0 in /etc/nginx/nginx.conf:78

Put include /etc/nginx/conf.d/*.conf; after the cache declaration, not before.