BBN still remained!

$ dig ns bbn.2ch.net. @ns1.maido3.com <<<

; <<>> DiG 9.6.-ESV-R5-P1 <<>> ns bbn.2ch.net. @ns1.maido3.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36390
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;bbn.2ch.net. IN NS

;; AUTHORITY SECTION:
bbn.2ch.net. 259200 IN NS a.ns.bbn.2ch.net.

;; ADDITIONAL SECTION:
a.ns.bbn.2ch.net. 259200 IN A 206.223.151.69

;; Query time: 0 msec
;; SERVER: 206.223.148.254#53(206.223.148.254)
;; WHEN: Thu Mar 27 08:30:30 2014
;; MSG SIZE rcvd: 64