DNS/キャッシュ/gmoについて、ここに記述してください。
http://www.onamae-server.com/support/news/detail.php?nid=16610
%dig +norec ANY co.jp @dns01.gmoserver.jp
; <<>> DiG 9.9.0 <<>> +norec ANY co.jp @dns01.gmoserver.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35277 ;; flags: qr aa ra; QUERY: 1, ANSWER: 6, AUTHORITY: 2, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;co.jp. IN ANY ;; ANSWER SECTION: co.jp. 600 IN TXT "v=spf1 include:spf4.gmoserver.jp ~all" co.jp. 600 IN A 211.123.214.8 co.jp. 600 IN MX 10 mx4.gmoserver.jp. co.jp. 600 IN NS dns01.gmoserver.jp. co.jp. 600 IN NS dns02.gmoserver.jp. co.jp. 600 IN SOA dns01.gmoserver.jp. hostmaster.co.jp. 2011081001 28800 7200 604800 600 ;; AUTHORITY SECTION: co.jp. 600 IN NS dns01.gmoserver.jp. co.jp. 600 IN NS dns02.gmoserver.jp. ;; Query time: 15 msec ;; SERVER: 61.127.54.101#53(61.127.54.101) ;; WHEN: Tue Mar 24 21:07:45 2015 ;; MSG SIZE rcvd: 245