他们自己的 NS 挂了，我们也没办法。
dig @
8.8.8.8
www.demonoid.me; <<>> DiG 9.8.1-P1 <<>> @
8.8.8.8
www.demonoid.me; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 5747
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;
www.demonoid.me. IN A
;; Query time: 158 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Jul 31 18:42:17 2012
;; MSG SIZE rcvd: 33