Via dig tenho a resposta:
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.23.rc1.el6_5.1 <<>> btgf.com.br
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19941
;; flags: qr a rd; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;btgf.com.br. IN A
;; ANSWER SECTION:
btgf.com.br. 86400 IN A 189.108.41.60
;; AUTHORITY SECTION:
btgf.com.br. 86400 IN NS dns.btgf.com.br.
;; ADDITIONAL SECTION:
dns.btgf.com.br. 86400 IN A 189.108.41.60
;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Mar 23 08:33:24 2014
;; MSG SIZE rcvd: 79