1. 常见DNS服务地址
DNS，Domain Name Service 域名解析服务
常用域名服务地址：
| 名称 | DNS1 | DNS2 |
|---|---|---|
| 114DNS | 114.114.114.114 | 114.114.115.115 |
| 阿里AliDNS | 223.5.5.5 | 223.6.6.6 |
| 百度BaiDuDNS | 180.76.76.76 | |
| Google DNS | 8.8.8.8 | 8.8.4.4 |
| DNS派 电信/移动/铁通 | 101.226.4.6 | 218.30.118.6 |
| 陕西电信DNS | 218.30.19.40 | 61.134.1.4 |
2. DNS网速比拼
114 DNS 速度
[root@CentOS8 ~]# ping 114.114.114.114
PING 114.114.114.114 (114.114.114.114) 56(84) bytes of data.
64 bytes from 114.114.114.114: icmp_seq=1 ttl=128 time=27.9 ms
64 bytes from 114.114.114.114: icmp_seq=2 ttl=128 time=28.0 ms
64 bytes from 114.114.114.114: icmp_seq=3 ttl=128 time=27.8 ms
64 bytes from 114.114.114.114: icmp_seq=4 ttl=128 time=27.7 ms
64 bytes from 114.114.114.114: icmp_seq=5 ttl=128 time=28.9 ms
^C
--- 114.114.114.114 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 24ms
rtt min/avg/max/mdev = 27.697/28.078/28.926/0.450 ms
AliDNS 速度
[root@CentOS8 ~]# ping 223.5.5.5
PING 223.5.5.5 (223.5.5.5) 56(84) bytes of data.
64 bytes from 223.5.5.5: icmp_seq=1 ttl=128 time=20.5 ms
64 bytes from 223.5.5.5: icmp_seq=2 ttl=128 time=17.8 ms
64 bytes from 223.5.5.5: icmp_seq=3 ttl=128 time=19.2 ms
64 bytes from 223.5.5.5: icmp_seq=4 ttl=128 time=17.10 ms
^C
--- 223.5.5.5 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 28ms
rtt min/avg/max/mdev = 17.774/18.872/20.541/1.116 ms
BaiDuDNS 速度
[root@CentOS8 ~]# ping 180.76.76.76
PING 180.76.76.76 (180.76.76.76) 56(84) bytes of data.
64 bytes from 180.76.76.76: icmp_seq=1 ttl=128 time=21.7 ms
64 bytes from 180.76.76.76: icmp_seq=2 ttl=128 time=21.7 ms
64 bytes from 180.76.76.76: icmp_seq=3 ttl=128 time=21.8 ms
64 bytes from 180.76.76.76: icmp_seq=4 ttl=128 time=21.4 ms
64 bytes from 180.76.76.76: icmp_seq=5 ttl=128 time=21.8 ms
64 bytes from 180.76.76.76: icmp_seq=6 ttl=128 time=21.6 ms
^C
--- 180.76.76.76 ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 20ms
rtt min/avg/max/mdev = 21.412/21.657/21.753/0.120 ms
Google DNS 速度
[root@CentOS8 ~]# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=57.4 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=56.10 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=128 time=57.1 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=128 time=57.2 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=128 time=56.9 ms
^C
--- 8.8.8.8 ping statistics ---
7 packets transmitted, 5 received, 28.5714% packet loss, time 63ms
rtt min/avg/max/mdev = 56.878/57.102/57.401/0.175 ms
陕西电信DNS 速度
[root@CentOS8 ~]# ping 218.30.19.40
PING 218.30.19.40 (218.30.19.40) 56(84) bytes of data.
64 bytes from 218.30.19.40: icmp_seq=1 ttl=128 time=3.48 ms
64 bytes from 218.30.19.40: icmp_seq=2 ttl=128 time=3.64 ms
64 bytes from 218.30.19.40: icmp_seq=3 ttl=128 time=3.31 ms
64 bytes from 218.30.19.40: icmp_seq=4 ttl=128 time=3.64 ms
^C
--- 218.30.19.40 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 14ms
rtt min/avg/max/mdev = 3.308/3.515/3.640/0.143 ms