[dns-operations] HSBC name servers case sensitive

[Mark Andrews]

In message <661B432C-03F6-4D12-B59C-A4908B0A52AA at hopcount.ca>, Joe Abley writes
:
> 
> On 2009-10-07, at 16:28, Tony Finch wrote:
> 
> > Hah. Note that this seems to be true only for www.hsbc.com. The
> > nameservers for hsbc.com and hsbc.co.uk and www.hsbc.co.uk are OK.
> >
> > (However there's no SOA or NS for www.hsbc.co.uk even though its  
> > parent
> > zone gives a referral.)
> 
> The stench of Global Load Balancer Appliance fills the air.
> 
> Joe

One should contact HSBC and complain.  It is not RFC compliant and
causes operational problem.  It should be sent back to the supplier
with a request for a refund.

Bcc'd dnsmaster at HSBC.COM, they don't need to see any followup.

Mark

% dig www.hsbc.com @vhprdgss01.HSBC.COM.

; <<>> DiG 9.3.6-P1 <<>> www.hsbc.com @vhprdgss01.HSBC.COM.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50539
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.hsbc.com.           7       IN      A       161.113.0.7

;; Query time: 216 msec
;; SERVER: 161.113.7.248#53(161.113.7.248)
;; WHEN: Thu Oct  8 11:13:49 2009
;; MSG SIZE  rcvd: 46

% dig WWW.HSBC.COM @vhprdgss01.HSBC.COM.

; <<>> DiG 9.3.6-P1 <<>> WWW.HSBC.COM @vhprdgss01.HSBC.COM.
;; global options:  printcmd
;; connection timed out; no servers could be reached
% dig www.hsbc.com @vhprdgss01.HSBC.COM.

; <<>> DiG 9.3.6-P1 <<>> www.hsbc.com @vhprdgss01.HSBC.COM.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25709
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.hsbc.com.           7       IN      A       161.113.0.7

;; Query time: 219 msec
;; SERVER: 161.113.7.248#53(161.113.7.248)
;; WHEN: Thu Oct  8 11:14:23 2009
;; MSG SIZE  rcvd: 46

% 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org