Can't download!

[Arthur]

> dig n1fty.com

; <<>> DiG 9.6.0-APPLE-P2 <<>> n1fty.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 13680
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;n1fty.com. IN A

;; Query time: 79 msec
;; SERVER: 209.18.47.61#53(209.18.47.61)
;; WHEN: Wed Feb 1 17:39:25 2012
;; MSG SIZE rcvd: 27

> dig acg.n1fty.com

; <<>> DiG 9.6.0-APPLE-P2 <<>> acg.n1fty.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 7653
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;acg.n1fty.com. IN A

;; Query time: 81 msec
;; SERVER: 209.18.47.61#53(209.18.47.61)
;; WHEN: Wed Feb 1 17:39:33 2012
;; MSG SIZE rcvd: 31

> nslookup n1fty.com
;; Got SERVFAIL reply from 209.18.47.61, trying next server
Server: 209.18.47.61
Address: 209.18.47.61#53

** server can't find n1fty.com: NXDOMAIN

> nslookup acg.n1fty.com
;; Got SERVFAIL reply from 209.18.47.61, trying next server
Server: 209.18.47.61
Address: 209.18.47.61#53

** server can't find acg.n1fty.com: NXDOMAIN