code for ifconfig.pro
Feature list: $curl ifconfig.ffhh 1.1.1.1
$curl ifconfig.ffhh/ip.host 1.1.1.1 r.d.ns.look.up
$curl ifconfig.ffhh/host r.dns.look.up
$curl ifconfig.ffhh/help this help file
now ipv6 ready! to force ipv6 use 6.ifconfig.ffhh to force ipv4 use 4.ifconfig.ffhh