Subject: URGENT .COM.BR authority on mydomain.com AUTH servers
From: Frederico A C Neves <[email-masked]>
To: [email-masked], [email-masked], [email-masked], [email-masked], [email-masked], [email-masked]
Cc: [email-masked], [email-masked], [email-masked], [email-masked], [email-masked], Pedro A M Vazquez <[email-masked]>, [email-masked], "Hostmaster Registro .br" <hostmaster>
Date: Fri, 1 Sep 2000 11:19:23 -0300

Dear Mr.,

As reported at the end of this email ns[1-4].mydomain.com are
answering .COM.BR queries authoritatively. As mydomain.com servers are
listed in 1361 domains this error is propagating very fast on buggy
resolvers.

Please take actions immediately to stop answering .COM.BR
authoritatively.

Frederico Neves
.BR Tech Contact
+55 11 3838-4130

--begin
bash> dig @NS1.mydomain.com www.uol.com.br any

; <<>> DiG 8.3 <<>> @NS1.mydomain.com www.uol.com.br any 
; (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.uol.com.br, type = ANY, class = IN

;; ANSWER SECTION:
www.uol.com.br.         1D IN A         208.184.130.40

;; AUTHORITY SECTION:
com.br.                 3D IN NS        ns1.mydomain.com.
com.br.                 3D IN NS        ns2.mydomain.com.
com.br.                 3D IN NS        ns3.mydomain.com.
com.br.                 3D IN NS        ns4.mydomain.com.

;; ADDITIONAL SECTION:
ns1.mydomain.com.       3D IN A         208.184.130.51
ns2.mydomain.com.       3D IN A         208.184.130.52
ns3.mydomain.com.       3D IN A         208.184.130.53
ns4.mydomain.com.       3D IN A         208.184.130.55

;; Total query time: 4552 msec
;; FROM: fork.in.REGISTRO.BR to SERVER: NS1.mydomain.com  208.184.130.51
;; WHEN: Fri Sep  1 11:09:28 2000
;; MSG SIZE  sent: 32  rcvd: 196

bash> dig @NS1.mydomain.com com.br soa

; <<>> DiG 8.3 <<>> @NS1.mydomain.com com.br soa 
; (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:
;;      com.br, type = SOA, class = IN

;; ANSWER SECTION:
com.br.                 42m40s IN SOA   ns1.mydomain.com. hostmaster.com.br. (
                                        967811974       ; serial
                                        4h33m4s         ; refresh
                                        34m8s           ; retry
                                        1w5d3h16m16s    ; expiry
                                        42m40s )                ; minimum

;; AUTHORITY SECTION:
com.br.                 3D IN NS        ns1.mydomain.com.
com.br.                 3D IN NS        ns2.mydomain.com.
com.br.                 3D IN NS        ns3.mydomain.com.
com.br.                 3D IN NS        ns4.mydomain.com.

;; ADDITIONAL SECTION:
ns1.mydomain.com.       3D IN A         208.184.130.51
ns2.mydomain.com.       3D IN A         208.184.130.52
ns3.mydomain.com.       3D IN A         208.184.130.53
ns4.mydomain.com.       3D IN A         208.184.130.55

;; Total query time: 898 msec
;; FROM: fork.in.REGISTRO.BR to SERVER: NS1.mydomain.com  208.184.130.51
;; WHEN: Fri Sep  1 10:44:16 2000
;; MSG SIZE  sent: 24  rcvd: 219

bash> dig @208.184.130.52 com.br soa

; <<>> DiG 8.3 <<>> @208.184.130.52 com.br soa 
; (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:
;;      com.br, type = SOA, class = IN

;; ANSWER SECTION:
com.br.                 42m40s IN SOA   ns1.mydomain.com. hostmaster.com.br. (
                                        967811974       ; serial
                                        4h33m4s         ; refresh
                                        34m8s           ; retry
                                        1w5d3h16m16s    ; expiry
                                        42m40s )                ; minimum

;; AUTHORITY SECTION:
com.br.                 3D IN NS        ns1.mydomain.com.
com.br.                 3D IN NS        ns2.mydomain.com.
com.br.                 3D IN NS        ns3.mydomain.com.
com.br.                 3D IN NS        ns4.mydomain.com.

;; ADDITIONAL SECTION:
ns1.mydomain.com.       3D IN A         208.184.130.51
ns2.mydomain.com.       3D IN A         208.184.130.52
ns3.mydomain.com.       3D IN A         208.184.130.53
ns4.mydomain.com.       3D IN A         208.184.130.55

;; Total query time: 908 msec
;; FROM: fork.in.REGISTRO.BR to SERVER: 208.184.130.52
;; WHEN: Fri Sep  1 10:52:08 2000
;; MSG SIZE  sent: 24  rcvd: 219

bash> dig @208.184.130.53 com.br soa

; <<>> DiG 8.3 <<>> @208.184.130.53 com.br soa 
; (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:
;;      com.br, type = SOA, class = IN

;; ANSWER SECTION:
com.br.                 42m40s IN SOA   ns1.mydomain.com. hostmaster.com.br. (
                                        967811974       ; serial
                                        4h33m4s         ; refresh
                                        34m8s           ; retry
                                        1w5d3h16m16s    ; expiry
                                        42m40s )                ; minimum

;; AUTHORITY SECTION:
com.br.                 3D IN NS        ns1.mydomain.com.
com.br.                 3D IN NS        ns2.mydomain.com.
com.br.                 3D IN NS        ns3.mydomain.com.
com.br.                 3D IN NS        ns4.mydomain.com.

;; ADDITIONAL SECTION:
ns1.mydomain.com.       3D IN A         208.184.130.51
ns2.mydomain.com.       3D IN A         208.184.130.52
ns3.mydomain.com.       3D IN A         208.184.130.53
ns4.mydomain.com.       3D IN A         208.184.130.55

;; Total query time: 893 msec
;; FROM: fork.in.REGISTRO.BR to SERVER: 208.184.130.53
;; WHEN: Fri Sep  1 10:52:21 2000
;; MSG SIZE  sent: 24  rcvd: 219

bash> 

bash> dig @208.184.130.55 com.br soa

; <<>> DiG 8.3 <<>> @208.184.130.55 com.br soa 
; (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:
;;      com.br, type = SOA, class = IN

;; ANSWER SECTION:
com.br.                 42m40s IN SOA   ns1.mydomain.com. hostmaster.com.br. (
                                        967802099       ; serial
                                        4h33m4s         ; refresh
                                        34m8s           ; retry
                                        1w5d3h16m16s    ; expiry
                                        42m40s )                ; minimum

;; AUTHORITY SECTION:
com.br.                 3D IN NS        ns1.mydomain.com.
com.br.                 3D IN NS        ns2.mydomain.com.
com.br.                 3D IN NS        ns3.mydomain.com.
com.br.                 3D IN NS        ns4.mydomain.com.

;; ADDITIONAL SECTION:
ns1.mydomain.com.       3D IN A         208.184.130.51
ns2.mydomain.com.       3D IN A         208.184.130.52
ns3.mydomain.com.       3D IN A         208.184.130.53
ns4.mydomain.com.       3D IN A         208.184.130.55

;; Total query time: 763 msec
;; FROM: fork.in.REGISTRO.BR to SERVER: 208.184.130.55
;; WHEN: Fri Sep  1 10:52:32 2000
;; MSG SIZE  sent: 24  rcvd: 219

bash> 
--end

-- 
 ----------------------------------------------------------------
 Frederico A C Neves                          Registro .br - ANSP
 <[email-masked]>                              R.Pio XI, 1500
 Tel +55-11-3838-4130         Sao Paulo - SP - Brazil - 05468-901