www.bytedance.net              has IPv4  has IPv6  fdbd:dc01:fe:1007::1  (errno=60) (time=74.997820)
byte-mall.cn                   has IPv4  has IPv6  fdbd:dc01:fe:100a::1  (errno=60) (time=75.006896)
www.feishu-boe.cn              has IPv4  has IPv6  fdbd:dc02:ff:e003:1:225:4:245  (errno=60) (time=75.001897)