cugb.edu.cn                    has IPv4  has IPv6  ::1  (time=0.000137)
ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000104)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000096)
www.msbauthentication.com      has IPv4  has IPv6  ::1  (time=0.000100)
www.uc.cn                      has IPv4  has IPv6  ::  (time=0.000083)
www.ucweb.com                  has IPv4  has IPv6  ::  (time=0.000081)