rk3126c:/ # ping h6.iot-dns.com
PING h6.iot-dns.com (47.116.185.69) 56(84) bytes of data.
64 bytes from 47.116.185.69: icmp_seq=1 ttl=90 time=31.2 ms
64 bytes from 47.116.185.69: icmp_seq=2 ttl=90 time=30.6 ms
64 bytes from 47.116.185.69: icmp_seq=3 ttl=90 time=42.2 ms
64 bytes from 47.116.185.69: icmp_seq=4 ttl=90 time=34.9 ms
64 bytes from 47.116.185.69: icmp_seq=5 ttl=90 time=31.1 ms
64 bytes from 47.116.185.69: icmp_seq=6 ttl=90 time=34.9 ms
64 bytes from 47.116.185.69: icmp_seq=7 ttl=90 time=35.6 ms
64 bytes from 47.116.185.69: icmp_seq=8 ttl=90 time=62.0 ms
64 bytes from 47.116.185.69: icmp_seq=9 ttl=90 time=32.1 ms
64 bytes from 47.116.185.69: icmp_seq=10 ttl=90 time=30.7 ms
64 bytes from 47.116.185.69: icmp_seq=11 ttl=90 time=40.9 ms
64 bytes from 47.116.185.69: icmp_seq=12 ttl=90 time=30.9 ms
64 bytes from 47.116.185.69: icmp_seq=13 ttl=90 time=33.6 ms
64 bytes from 47.116.185.69: icmp_seq=14 ttl=90 time=47.1 ms
64 bytes from 47.116.185.69: icmp_seq=15 ttl=90 time=32.1 ms
64 bytes from 47.116.185.69: icmp_seq=16 ttl=90 time=37.3 ms
64 bytes from 47.116.185.69: icmp_seq=17 ttl=90 time=52.7 ms
Android设备中可以ping通