ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000079)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000077)
pega.com                       has IPv4  has IPv6  ::  (time=0.000144)
www.uc.cn                      has IPv4  has IPv6  ::  (time=0.000080)
www.ucweb.com                  has IPv4  has IPv6  ::  (time=0.000087)