不是很快
dig @
168.126.63.1
m1.music.126.net; <<>> DiG 9.9.5-3ubuntu0.2-Ubuntu <<>> @
168.126.63.1
m1.music.126.net; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6737
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 3
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
m1.music.126.net. IN A
;; ANSWER SECTION:
m1.music.126.net. 18000 IN CNAME
region.163.com.usgcac.cdnetworks.net.
region.163.com.usgcac.cdnetworks.net. 300 IN CNAME
n2.panthercdn.com.
n2.panthercdn.com. 20 IN A 14.0.100.99
n2.panthercdn.com. 20 IN A 14.0.102.26
;; AUTHORITY SECTION:
panthercdn.com. 172666 IN NS
ns1.panthercdn.com.
panthercdn.com. 172666 IN NS
ns2.panthercdn.com.
;; ADDITIONAL SECTION:
ns1.panthercdn.com. 64863 IN A 205.252.255.11
ns2.panthercdn.com. 77795 IN A 67.72.21.11
;; Query time: 620 msec
;; SERVER: 168.126.63.1#53(168.126.63.1)
;; WHEN: Tue Jun 02 08:09:43 CST 2015
;; MSG SIZE rcvd: 223
dig @
168.126.63.2
baidu.com; <<>> DiG 9.9.5-3ubuntu0.2-Ubuntu <<>> @
168.126.63.2
baidu.com; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11431
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 5, ADDITIONAL: 6
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
baidu.com. IN A
;; ANSWER SECTION:
baidu.com. 44 IN A 220.181.57.217
baidu.com. 44 IN A 123.125.114.144
baidu.com. 44 IN A 180.149.132.47
;; AUTHORITY SECTION:
baidu.com. 102 IN NS
dns.baidu.com.
baidu.com. 102 IN NS
ns3.baidu.com.
baidu.com. 102 IN NS
ns4.baidu.com.
baidu.com. 102 IN NS
ns7.baidu.com.
baidu.com. 102 IN NS
ns2.baidu.com.
;; ADDITIONAL SECTION:
dns.baidu.com. 85168 IN A 202.108.22.220
ns2.baidu.com. 172522 IN A 61.135.165.235
ns3.baidu.com. 166679 IN A 220.181.37.10
ns4.baidu.com. 84257 IN A 220.181.38.10
ns7.baidu.com. 80803 IN A 119.75.219.82
;; Query time: 315 msec
;; SERVER: 168.126.63.2#53(168.126.63.2)
;; WHEN: Tue Jun 02 08:10:56 CST 2015
;; MSG SIZE rcvd: 256