长话短说。
dig c.cx
回报
; <<>> DiG 9.11.0-P2 <<>> c.cx
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32806
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;c.cx. IN A
;; ANSWER SECTION:
c.cx. 6903 IN A 0.0.0.0
;; Query time: 90 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Feb 06 22:33:08 +03 2017
;; MSG …