这几天查询谷歌域名直接连 ip 都不返回了（是电信干的还是从电信试起）

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用 443 端口的 opendns 发现这几天返回的结果是被污染的（以前还能返回谷歌的 ip 段，虽然是被封锁的），是电信开始弄的还是总体规划。。。。

电信

OpenDNS

谷歌

6 replies • 2017-09-06 19:09:04 +08:00

flowfire

Sep 6, 2017

443 端口。。。。。 opendns 已经用 tcp + ssl 了？

zro

Sep 6, 2017

5353 port 呢？

@flowfire #1 Just UDP 443 port

flowfire

Sep 6, 2017

@zro #2 感觉占用一个 443 很蛋疼，还不如用 23333 或者 6666

onion83

Sep 6, 2017

dig www.facebook.com @open.dns.ning.io -p 443 +tcp

skylancer

Sep 6, 2017

@flowfire DNSCrypt 也行啊

Tianao

Sep 6, 2017

Tianaos-MacBook:~ tianaochen$ dig @208.67.222.222 google.com

; <<>> DiG 9.8.3-P1 <<>> @208.67.222.222 google.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31939
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;google.com. IN A

;; ANSWER SECTION:
google.com. 295 IN A 216.58.200.238

;; Query time: 88 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Wed Sep 6 19:08:13 2017
;; MSG SIZE rcvd: 44