ドメインをとってDNSレジストラに設定したあと、反映されたか確認しました
サンプルにgoogle.co.jpで確認
$ nslookup google.co.jp
Server: 127.0.1.1
Address: 127.0.1.1#53
Non-authoritative answer:
Name: google.co.jp
Address: 173.194.117.175
Name: google.co.jp
Address: 173.194.117.191
Name: google.co.jp
Address: 173.194.117.183
Name: google.co.jp
Address: 173.194.117.184
これでも確認できます
$ dig google.co.jp
; <<>> DiG 9.9.5-3ubuntu0.3-Ubuntu <<>> google.co.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8459
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 5
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;google.co.jp. IN A
;; ANSWER SECTION:
google.co.jp. 300 IN A 173.194.117.175
google.co.jp. 300 IN A 173.194.117.184
google.co.jp. 300 IN A 173.194.117.183
google.co.jp. 300 IN A 173.194.117.191
;; AUTHORITY SECTION:
google.co.jp. 2207 IN NS ns1.google.com.
google.co.jp. 2207 IN NS ns3.google.com.
google.co.jp. 2207 IN NS ns4.google.com.
google.co.jp. 2207 IN NS ns2.google.com.
;; ADDITIONAL SECTION:
ns4.google.com. 2206 IN A 216.239.38.10
ns3.google.com. 2200 IN A 216.239.36.10
ns2.google.com. 2200 IN A 216.239.34.10
ns1.google.com. 2197 IN A 216.239.32.10
;; Query time: 48 msec
;; SERVER: 127.0.1.1#53(127.0.1.1)
;; WHEN: Mon Aug 03 11:55:02 JST 2015
;; MSG SIZE rcvd: 251
