dig
www.facebook.com @
8.8.8.8 +tcp
; <<>> DiG 9.11.2-P1 <<>>
www.facebook.com @
8.8.8.8 +tcp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11231
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;
www.facebook.com. IN A
;; ANSWER SECTION:
www.facebook.com. 2755 IN CNAME
star-mini.c10r.facebook.com.
star-mini.c10r.facebook.com. 59 IN A 31.13.82.36
;; Query time: 176 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Jan 09 23:54:01 HKT 2019
;; MSG SIZE rcvd: 90