cugb.edu.cn                    has IPv4  has IPv6  ::1  (time=0.000089)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000097)
hofstra.edu                    has IPv4  has IPv6  ::  (time=0.000092)
univ-tlemcen.dz                has IPv4  has IPv6  ::1  (time=0.000095)