dig localhost

$ dig localhost

; <<>> DiG 9.10.2-P2 <<>> localhost
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12449
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;localhost.                     IN      A

;; AUTHORITY SECTION:
.                       439     IN      SOA     a.root-servers.net. nstld.verisign-grs.com. 2015101801 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 169.254.169.254#53(169.254.169.254)
;; WHEN: Mon Oct 19 01:02:15 UTC 2015
;; MSG SIZE  rcvd: 113