@
Showfom 感谢,没看到 TTL
连接 AnyConnect 后
; <<>> DiG 9.9.7-P3 <<>> NS
xxx.net;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54266
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
xxx.net. IN NS
;; ANSWER SECTION:
xxx.net. 86400 IN NS
rob.ns.cloudflare.com.
xxx.net. 86400 IN NS
vera.ns.cloudflare.com.
;; Query time: 57 msec
;; SERVER: 208.67.220.220#53(208.67.220.220)
;; WHEN: Fri Oct 06 16:14:21 CST 2017
;; MSG SIZE rcvd: 93
本地网络
; <<>> DiG 9.9.7-P3 <<>> NS
xxx.net;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12047
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 48
;; QUESTION SECTION:
;
xxx.net. IN NS
;; ANSWER SECTION:
xxx.net. 86274 IN NS
vip1.alidns.com.
xxx.net. 86274 IN NS
vip2.alidns.com.
;; AUTHORITY SECTION:
xxx.net. 86274 IN NS
vip2.alidns.com.
xxx.net. 86274 IN NS
vip1.alidns.com.