ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000098) edu22.info has IPv4 has IPv6 ::1 (time=0.000090) pega.com has IPv4 has IPv6 :: (time=0.000100) univ-tlemcen.dz has IPv4 has IPv6 ::1 (time=0.000086) zimbra.com has IPv4 has IPv6 :: (time=0.000082)