今天登录微软账号的时候发现一直提示 CONNECT_REFUSED,排查发现是 DNS 被污染了
本地电信分配的 DNS 为
202.103.44.150
202.103.24.68
使用 dig 查询均返回被劫持的 ip 地址
; <<>> DiG 9.16.1-Ubuntu <<>> @202.103.44.150 login.live.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56397
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;login.live.com. IN A
;; ANSWER SECTION:
login.live.com. 300 IN A 223.75.236.241
;; Query time: 0 msec
;; SERVER: 202.103.44.150#53(202.103.44.150)
;; WHEN: Wed Aug 25 15:48:41 CST 2021
;; MSG SIZE rcvd: 48
; <<>> DiG 9.16.1-Ubuntu <<>> @202.103.24.68 login.live.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2138
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;login.live.com. IN A
;; ANSWER SECTION:
login.live.com. 300 IN A 223.75.236.241
;; Query time: 0 msec
;; SERVER: 202.103.24.68#53(202.103.24.68)
;; WHEN: Wed Aug 25 15:48:58 CST 2021
;; MSG SIZE rcvd: 48
直接访问该 ip 可得
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