已经设置的dns:

~$ cat /etc/resolv.conf

Generated by NetworkManager

nameserver 114.114.114.114
nameserver 8.8.8.8
nameserver 192.168.43.1

:~$ ping mp.weixin.qq.com
PING mp.weixin.qq.com (2408:80f1:21:c120::84) 56 data bytes
64 bytes from 2408:80f1:21:c120::84: icmp_seq=1 ttl=50 time=39.3 ms
64 bytes from 2408:80f1:21:c120::84: icmp_seq=2 ttl=50 time=41.7 ms
64 bytes from 2408:80f1:21:c120::84: icmp_seq=3 ttl=50 time=45.1 ms

~$ ping mp.weixin.qq.com -v4
ping: sock4.fd: 3 (socktype: SOCK_RAW), sock6.fd: -1 (socktype: 0), hints.ai_family: AF_INET

ai->ai_family: AF_INET6, ai->ai_canonname: 'sh.mp.weixin.qq.com'
ai->ai_family: AF_INET6, ai->ai_canonname: ''
ai->ai_family: AF_INET6, ai->ai_canonname: ''
ai->ai_family: AF_INET6, ai->ai_canonname: ''
ai->ai_family: AF_INET6, ai->ai_canonname: ''
ai->ai_family: AF_INET6, ai->ai_canonname: ''
ai->ai_family: AF_INET, ai->ai_canonname: ''
PING mp.weixin.qq.com (116.128.169.212) 56(84) bytes of data.
64 bytes from 116.128.169.212: icmp_seq=1 ident=35653 ttl=50 time=26.3 ms
64 bytes from 116.128.169.212: icmp_seq=2 ident=35653 ttl=50 time=30.3 ms
64 bytes from 116.128.169.212: icmp_seq=3 ident=35653 ttl=50 time=24.8 ms
64 bytes from 116.128.169.212: icmp_seq=4 ident=35653 ttl=50 time=32.4 ms
64 bytes from 116.128.169.212: icmp_seq=5 ident=35653 ttl=50 time=34.6 ms