Veja o utilitário "dig"
> # dig google.com
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8753
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;google.com. IN A
;; ANSWER SECTION:
google.com. 120 IN A 209.85.202.100
google.com. 120 IN A 209.85.202.139
google.com. 120 IN A 209.85.202.102
google.com. 120 IN A 209.85.202.101
google.com. 120 IN A 209.85.202.113
google.com. 120 IN A 209.85.202.138
;; Query time: 1 msec
;; SERVER: 192.168.0.228#53(192.168.0.228)
;; WHEN: Thu Oct 27 14:43:06 2016
;; MSG SIZE rcvd: 124