v2ex dns 解析.com.cn还是有问题啊

V2EX = way to explore

V2EX 是一个关于分享和探索的地方

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DNS 参考资料

› List of DNS Record Types

› dig 使用说明

› djbdns

› DNS Parameters

› dnslib for Python

这是一个创建于 4219 天前的主题，其中的信息可能已经有所发展或是发生改变。

dig @178.79.131.110 www.msdchina.com.cn

; <<>> DiG 9.7.6-P1 <<>> @178.79.131.110 www.msdchina.com.cn
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57725
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.msdchina.com.cn. IN A

;; ANSWER SECTION:
www.msdchina.com.cn. 300 IN A 178.79.131.110

;; Query time: 3962 msec
;; SERVER: 178.79.131.110#53(178.79.131.110)
;; WHEN: Tue Oct 9 09:46:13 2012
;; MSG SIZE rcvd: 53

dig @178.79.131.110 t.sina.com.cn

; <<>> DiG 9.7.6-P1 <<>> @178.79.131.110 t.sina.com.cn
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55969
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;t.sina.com.cn. IN A

;; ANSWER SECTION:
t.sina.com.cn. 44 IN CNAME e.dpool.weibo.com.
e.dpool.weibo.com. 44 IN A 180.149.134.17

;; Query time: 537 msec
;; SERVER: 178.79.131.110#53(178.79.131.110)
;; WHEN: Tue Oct 9 09:46:32 2012
;; MSG SIZE rcvd: 78

www.msdchina.com.cn解析不了，t.sina.com.cn可以

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cn 178.79