cottonon.com                   has IPv4  has IPv6  ::  (time=0.000092)
ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000112)
ucd.ac.ma                      has IPv4  has IPv6  ::1  (time=0.000131)
univ-mosta.dz                  has IPv4  has IPv6  ::1  (time=0.000109)