cottonon.com                   has IPv4  has IPv6  ::  (time=0.000101)
ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000104)
nasmedia.co.kr                 has IPv4  has IPv6  ::1  (time=0.000139)
zimbra.org                     has IPv4  has IPv6  ::  (time=0.000124)