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fanf

Debit several clue points from Le Crédit Lyonnais

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17th Jan 2011 | 12:53

; <<>> DiG 9.6.2-P2 <<>> +dnssec mx carte-isic.lcl.fr.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54984
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;carte-isic.lcl.fr.             IN      MX

;; ANSWER SECTION:
carte-isic.lcl.fr.      407     IN      MX      5 82.118.192.159. ; *D'OH!*

;; AUTHORITY SECTION:
lcl.fr.                 407     IN      NS      ramses.credit-agricole.fr.
lcl.fr.                 407     IN      NS      ns0.creditlyonnais.fr.
lcl.fr.                 407     IN      NS      chenar.credit-agricole.fr.

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Jan 17 12:52:13 2011
;; MSG SIZE  rcvd: 167

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Comments {7}

Gerald the cuddly duck

from: gerald_duck
date: 17th Jan 2011 15:12 (UTC)

So… their MX is a computer somewhere in Finland? It's fail, but how serious a fail?

Are they subcontracting mail handling? Indirecting their mail via some spamproofing à la MessageLabs? Or have they made a mistake with the IP address? Or have they been hacked?

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Gideon Hallett

from: gmh
date: 17th Jan 2011 16:10 (UTC)

Probably more to do with the fact that they're pointing an MX record to an IP address rather than a FQDN.

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Gerald the cuddly duck

from: gerald_duck
date: 17th Jan 2011 17:41 (UTC)

Argh! That one's so fundamental I didn't even spot it!

Reply | Parent | Thread

#<procedure Jed>

from: xlerb
date: 17th Jan 2011 17:16 (UTC)

I wasn't aware that Finland owned the top-level domain 159.

Reply | Parent | Thread

Tony Finch

from: fanf
date: 17th Jan 2011 17:42 (UTC)

An MX record must refer to a host name. There is no host named 82.118.192.159. because there is no TLD 159.

Reply | Parent | Thread

cozminsky

from: cozminsky
date: 24th Jan 2011 06:04 (UTC)

It would get quite confusing if ICANN did decide to accept a 159 tld.

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Res facta quae tamen fingi potuit

It gets better...

from: pauamma
date: 17th Jan 2011 18:56 (UTC)

$ dig lcl.fr soa @ramses.credit-agricole.fr.

...

;; QUESTION SECTION:
;lcl.fr.				IN	SOA

;; ANSWER SECTION:
lcl.fr.			900	IN	SOA	ns0.creditlyonnais.fr. internet\.assistance-internet.lcl.fr. 2010123101 7200 3600 691200 86400

...

$ telnet 82.118.192.159 smtp
Trying 82.118.192.159...
telnet: Unable to connect to remote host: Connection timed out


I wonder how much mail they received so far in 2011. :-)

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