1 [root@standby ~]# dig @202.106.0.20 www.iqiyi.com

 2

 3 ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6 <<>> @202.106.0.20 www.iqiyi.com

 4 ; (1 server found)

 5 ;; global options: +cmd

 6 ;; Got answer:

 7 ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22053

 8 ;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 0, ADDITIONAL: 0

 9

10 ;; QUESTION SECTION:

11 ;www.iqiyi.com.            IN    A

12

13 ;; ANSWER SECTION:

14 www.iqiyi.com.        7    IN    CNAME    static.dns.iqiyi.com.

15 static.dns.iqiyi.com.    6    IN    A    111.206.13.65

16 static.dns.iqiyi.com.    6    IN    A    111.206.13.63

17 static.dns.iqiyi.com.    6    IN    A    111.206.13.61

18 static.dns.iqiyi.com.    6    IN    A    111.206.13.64

19 static.dns.iqiyi.com.    6    IN    A    111.206.13.62

20 static.dns.iqiyi.com.    6    IN    A    111.206.13.66

21

22 ;; Query time: 6 msec

23 ;; SERVER: 202.106.0.20#53(202.106.0.20)

24 ;; WHEN: Thu Sep 15 17:25:09 2016

25 ;; MSG SIZE  rcvd: 152

 1 [root@standby ~]# traceroute www.iqiyi.com

 2 traceroute to www.iqiyi.com (111.206.13.63), 30 hops max, 60 byte packets

 3  1  localhost (192.168.1.1)  2.924 ms  2.662 ms  2.429 ms

 4  2  * * *

 5  3  61.148.174.189 (61.148.174.189)  3.744 ms  3.555 ms  7.079 ms

 6  4  124.65.58.237 (124.65.58.237)  6.910 ms  6.263 ms  6.062 ms

 7  5  61.51.115.106 (61.51.115.106)  5.852 ms  5.635 ms  5.420 ms

 8  6  bt-211-046.bta.net.cn (202.106.211.46)  6.722 ms  8.319 ms  8.019 ms

 9  7  111.206.13.63 (111.206.13.63)  7.183 ms  3.643 ms  6.609 ms

10 [root@standby ~]#

1 [root@standby ~]# ping www.iqiyi.com

2 PING static.dns.iqiyi.com (111.206.13.63) 56(84) bytes of data.

3 64 bytes from 111.206.13.63: icmp_seq=1 ttl=58 time=7.56 ms

4 64 bytes from 111.206.13.63: icmp_seq=2 ttl=58 time=9.46 ms

5 ^C

6 --- static.dns.iqiyi.com ping statistics ---

7 2 packets transmitted, 2 received, 0% packet loss, time 1957ms

8 rtt min/avg/max/mdev = 7.569/8.516/9.464/0.951 ms

9 [root@standby ~]#

1 [root@standby ~]# ping -c 3 -t 6 www.iqiyi.com

2 PING static.dns.iqiyi.com (111.206.13.66) 56(84) bytes of data.

3 From bt-211-046.bta.net.cn (202.106.211.46) icmp_seq=1 Time to live exceeded

4 From bt-211-046.bta.net.cn (202.106.211.46) icmp_seq=2 Time to live exceeded

5 From bt-211-046.bta.net.cn (202.106.211.46) icmp_seq=3 Time to live exceeded

6

7 --- static.dns.iqiyi.com ping statistics ---

8 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2017ms

 1 [root@standby ~]# ping -c 3 -t 7 www.iqiyi.com

 2 PING static.dns.iqiyi.com (111.206.13.65) 56(84) bytes of data.

 3 64 bytes from 111.206.13.65: icmp_seq=1 ttl=58 time=6.25 ms

 4 64 bytes from 111.206.13.65: icmp_seq=2 ttl=58 time=12.1 ms

 5 64 bytes from 111.206.13.65: icmp_seq=3 ttl=58 time=5.23 ms

 6

 7 --- static.dns.iqiyi.com ping statistics ---

 8 3 packets transmitted, 3 received, 0% packet loss, time 2008ms

 9 rtt min/avg/max/mdev = 5.233/7.885/12.167/3.057 ms

10 [root@standby ~]#