cugb.edu.cn                    has IPv4  has IPv6  ::1  (time=0.000157)
ecust.edu.cn                   has IPv4  has IPv6  ::1  (time=0.000100)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000106)
emis.co.ao                     has IPv4  has IPv6  ::1  (time=0.000099)
hofstra.edu                    has IPv4  has IPv6  ::  (time=0.000082)