Re: On DNS for postgresql.org

Andrew Sullivan wrote:
> Hi,
>
> Now that the DNS is back (thanks!), I thought I'd ask why the ra bit
> is set on the responses. Are those servers providing recursion to
> the whole Net? (They seem to be.) If so, that's a Bad Thing.
>
> A
>

Yes, they do seem to be and yes it probably is a Bad Thing:

$ dig @ns3.hub.org www.mysql.com

; <<>> DiG 9.3.1 <<>> @ns3.hub.org www.mysql.com
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58427
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 0

;; QUESTION SECTION:
;www.mysql.com. IN A

;; ANSWER SECTION:
www.mysql.com. 3600 IN A 213.115.162.29
www.mysql.com. 3600 IN A 213.115.162.82
www.mysql.com. 3600 IN A 213.136.52.29
www.mysql.com. 3600 IN A 213.136.52.82

;; AUTHORITY SECTION:
mysql.com. 3600 IN NS dns1.mysql.com.
mysql.com. 3600 IN NS dns2.mysql.com.
mysql.com. 3600 IN NS dns3.mysql.com.
mysql.com. 3600 IN NS dns5.mysql.com.

;; Query time: 409 msec
;; SERVER: 200.46.204.254#53(200.46.204.254)
;; WHEN: Wed Sep 6 10:15:56 2006
;; MSG SIZE rcvd: 171