has anyone noticed that lookups for all of no-ip's domains, including its parent, are not answering?

[skivvy@warsawa skivvy]# dig no-ip.com

; DiG 9.2.1 no-ip.com
;; global options: printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: SERVFAIL, id: 16493
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;no-ip.com. IN A

;; Query time: 28 msec
;; SERVER: x.x.x.x#53(x.x.x.x)
;; WHEN: Mon Feb 10 17:58:01 2003
;; MSG SIZE rcvd: 27