Hmm - don't think so - although nothing is up there - www.aljazeera.net resolves to 127.0.0.1.
This is from the MYDOMAIN.COM nameservers listed as the auth for this domain:
; <<>> DiG 8.2 <<>> ns aljazeera.net @b.gtld-servers.net
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 4
;; QUERY SECTION:
;; aljazeera.net, type = NS, class = IN
;; ANSWER SECTION:
aljazeera.net. 2D IN NS NS4.MYDOMAIN.COM.
aljazeera.net. 2D IN NS NS1.MYDOMAIN.COM.
aljazeera.net. 2D IN NS NS2.MYDOMAIN.COM.
aljazeera.net. 2D IN NS NS3.MYDOMAIN.COM.
;; ADDITIONAL SECTION:
NS4.MYDOMAIN.COM. 2D IN A 63.251.83.74
NS1.MYDOMAIN.COM. 2D IN A 64.94.117.195
NS2.MYDOMAIN.COM. 2D IN A 216.52.121.228
NS3.MYDOMAIN.COM. 2D IN A 66.150.161.130
;; Total query time: 80 msec
;; FROM: LAIR.LION to SERVER: b.gtld-servers.net 192.33.14.30
;; WHEN: Thu Mar 27 16:38:14 2003
;; MSG SIZE sent: 31 rcvd: 179
LAIR$ dig www.aljazeera.net @ns1.mydomain.com
; <<>> DiG 8.2 <<>> www.aljazeera.net @ns1.mydomain.com
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
;; QUERY SECTION:
;; www.aljazeera.net, type = A, class = IN
;; ANSWER SECTION:
www.aljazeera.net. 2M IN A 127.0.0.1
;; AUTHORITY SECTION:
aljazeera.net. 2M IN NS ns1.mydomain.com.
aljazeera.net. 2M IN NS ns2.mydomain.com.
aljazeera.net. 2M IN NS ns3.mydomain.com.
aljazeera.net. 2M IN NS ns4.mydomain.com.
;; ADDITIONAL SECTION:
ns1.mydomain.com. 30M IN A 64.94.117.195
ns2.mydomain.com. 30M IN A 216.52.121.228
ns3.mydomain.com. 30M IN A 66.150.161.130
ns4.mydomain.com. 30M IN A 63.251.83.74
;; Total query time: 117 msec
;; FROM: LAIR.LION to SERVER: ns1.mydomain.com 64.94.117.195
;; WHEN: Thu Mar 27 16:38:28 2003
;; MSG SIZE sent: 35 rcvd: 199