cugb.edu.cn                    has IPv4  has IPv6  ::1  (time=0.000092)
edu22.info                     has IPv4  has IPv6  ::1  (time=0.000145)
nasmedia.co.kr                 has IPv4  has IPv6  ::1  (time=0.000089)
pega.com                       has IPv4  has IPv6  ::  (time=0.000089)
zimbra.com                     has IPv4  has IPv6  ::  (time=0.000091)