さすがに ISP では何も出来ないかと思われ(w

$ dig @ns1.maido3.com news10.2ch.net a

; <<>> DiG 8.3 <<>> @ns1.maido3.com news10.2ch.net a
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; news10.2ch.net, type = A, class = IN

;; ANSWER SECTION:
news10.2ch.net. 5M IN A 65.19.155.154

;; AUTHORITY SECTION:
2ch.net. 5M IN NS ns1.maido3.com.
2ch.net. 5M IN NS ns2.maido3.com.

;; ADDITIONAL SECTION:
ns1.maido3.com. 3D IN A 206.223.148.254
ns2.maido3.com. 3D IN A 206.223.147.254

news10.peko.2ch.net も未設定なのでいずれは変更されるでしょう(^-^)