202.181.103.153

とりあえず、DNSキャッシュ鯖立ててみた
直るまでの緊急回避用にどうぞ

Unboundで
・2ch.net
・bbspink.com
・nttec.com
をns1.maido3.com に向け直しただけ

$ cat /etc/unbound/unbound.conf
server:
interface: 0.0.0.0
access-control: 0.0.0.0/0 allow
stub-zone:
name: "2ch.net."
stub-host: "ns1.maido3.com"
stub-zone:
name: "bbspink.com."
stub-host: "ns1.maido3.com"
stub-zone:
name: "nttec.com."
stub-host: "ns1.maido3.com"