loukky

loukky

V2EX 第 202683 号会员,加入于 2016-11-23 23:22:04 +08:00
今日活跃度排名 4684
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loukky 最近回复了
@johnjiang85
同海外测试:dnspod
'''
[[email protected] ~]# dig @doh.pub www.gov.tw +subnet=119.6.6.7

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.7 <<>> @doh.pub www.gov.tw +subnet=119.6.6.7
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 14668
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.gov.tw. IN A

;; Query time: 4866 msec
;; SERVER: 162.14.21.56#53(162.14.21.56)
;; WHEN: Sat Dec 04 00:27:54 CST 2021
;; MSG SIZE rcvd: 39
'''

[[email protected] ~]# dig @doh.pub www.gov.tw +subnet=119.6.6.7 aaaa

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.7 <<>> @doh.pub www.gov.tw +subnet=119.6.6.7 aaaa
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 2945
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.gov.tw. IN AAAA

;; Query time: 2708 msec
;; SERVER: 162.14.21.178#53(162.14.21.178)
;; WHEN: Sat Dec 04 00:29:02 CST 2021
;; MSG SIZE rcvd: 39

Alidns:
'''
[[email protected] ~]# dig @223.5.5.5 www.gov.tw +subnet=119.6.6.7

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.7 <<>> @223.5.5.5 www.gov.tw +subnet=119.6.6.7
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10750
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1408
; CLIENT-SUBNET: 119.6.6.7/32/24
;; QUESTION SECTION:
;www.gov.tw. IN A

;; ANSWER SECTION:
www.gov.tw. 364 IN A 223.200.155.55

;; Query time: 2098 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Dec 04 00:29:46 CST 2021
;; MSG SIZE rcvd: 67
'''
@HalloCQ 可惜 dnspod 的 edns 设置成国内 IP 的话,解析结果是有污染的。。
@Sekai 我只是想表达 alidns 的 edns 有时候不正常....
事实上联通家宽用户应该都发现了吧?
我一度以为是联通出口爆满了,
直到我用联通商宽中转以后.....
境外为什么要自建?
另外上游有回国?
14 天前
回复了 liulongquan 创建的主题 宽带症候群 炸裂! IPV6 国际出口爆炸式增长
就这很难让人相信联通有 1.6T 的 ipv6 出口
https://imgs.loukky.com/imgs/2021/11/be01d0b56899d8d6.png
23 天前
回复了 ah429 创建的主题 宽带症候群 甲骨文今天下午开始抽风了
间歇性阻断,我的也这样,春川
C:\Users\wangw>dig swcdn.apple.com

; <<>> DiG 9.17.9 <<>> swcdn.apple.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3767
;; flags: qr rd ra; QUERY: 1, ANSWER: 16, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;swcdn.apple.com. IN A

;; ANSWER SECTION:
swcdn.apple.com. 2521 IN CNAME swcdn.apple.com.akadns.net.
swcdn.apple.com.akadns.net. 91 IN CNAME swcdn.g.aaplimg.com.
swcdn.g.aaplimg.com. 1780 IN CNAME swcdn-china-lb.dl-apple.com.akadns.net.
swcdn-china-lb.dl-apple.com.akadns.net. 134 IN CNAME swcdn.apple.com.w.alikunlun.com.
swcdn.apple.com.w.alikunlun.com. 55 IN A 124.165.127.199
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.242
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.244
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.238
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.248
swcdn.apple.com.w.alikunlun.com. 55 IN A 124.165.127.206
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.243
swcdn.apple.com.w.alikunlun.com. 55 IN A 124.165.127.205
swcdn.apple.com.w.alikunlun.com. 55 IN A 124.165.127.200
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.240
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.241
swcdn.apple.com.w.alikunlun.com. 55 IN A 116.177.224.239

;; Query time: 3 msec
;; SERVER: 192.168.11.1#53(192.168.11.1) (UDP)
;; WHEN: Thu Oct 28 01:04:02 ;; MSG SIZE rcvd: 406

虽然不是本地,但也是国内(这个是中科大返回的)
如果用自己搭建的 dns ,可以返回本地(因为设置了 edns )
@jemyzhang 运行内存的简称
其实不用约定,至少在塞班时代,手机运存真就等于电脑内存,手机内存真就等于电脑硬盘,前面的人真是少见多怪。
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