file /dns.php
just Google DNS Mirror
parameter should base64 encode and urlencode and base64 decode the response
name=urlencode(base64encode("img.alicdn.com")) edns_client_subnet=urlencode(base64encode("123.125.18.108"))
Demo
https://prudent-travels.000webhostapp.com/dns.php?name=&edns_client_subnet=
file /pac.php
Build by mono_pac
use proxy to foreign site and Direct to PRC site.
Demo
https://prudent-travels.000webhostapp.com/pac.php?a=SOCKS5&b=192.168.1.1:1080
generate a pac file which use SOCKS5 192.168.1.1 proxy, copy and parse to SwitchyOmega