cottonon.com has IPv4 has IPv6 :: (time=0.000186) ecust.edu.cn has IPv4 has IPv6 ::1 (time=0.000088) edu22.info has IPv4 has IPv6 ::1 (time=0.000215) emis.co.ao has IPv4 has IPv6 ::1 (time=0.000159) pega.com has IPv4 has IPv6 :: (time=0.000219)