こちらでも monazilla.org に繋がらなかったので調査してみた。
bash-2.05a$ dig monazilla.org

; <<>> DiG 8.3 <<>> monazilla.org
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 0
;; QUERY SECTION:
;; monazilla.org, type = A, class = IN

;; ANSWER SECTION:
monazilla.org. 22h28m54s IN A 64.71.145.42

;; AUTHORITY SECTION:
monazilla.org. 22h28m54s IN NS ns3.he.net.
monazilla.org. 22h28m54s IN NS ns1.he.net.
monazilla.org. 22h28m54s IN NS ns2.he.net.

bash-2.05a$ dig @ns1.maido3.com monazilla.org

; <<>> DiG 8.3 <<>> @ns1.maido3.com monazilla.org
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; monazilla.org, type = A, class = IN

;; ANSWER SECTION:
monazilla.org. 1D IN A 38.114.144.65

;; AUTHORITY SECTION:
monazilla.org. 3D IN NS ns1.maido3.com.
monazilla.org. 3D IN NS ns2.maido3.com.

;; ADDITIONAL SECTION:
ns1.maido3.com. 3D IN A 206.223.148.254
ns2.maido3.com. 3D IN A 206.223.147.254

どぉやら he に残ったまま?