ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000079)
hofstra.edu                    has IPv4  has IPv6  ::  (time=0.000080)
okcis.cn                       has IPv4  has IPv6  ::1  (time=0.000067)
www.uc.cn                      has IPv4  has IPv6  ::  (time=0.000138)
www.ucweb.com                  has IPv4  has IPv6  ::  (time=0.000081)