De mon coté quand je passe a strict ça me repond pas:

qname-minimization a strict:

dig @127.0.0.1 secure1.entreprises.bnpparibas.net

; <<>> DiG 9.16.1-Ubuntu <<>> @127.0.0.1 secure1.entreprises.bnpparibas.net
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached

dig @127.0.0.1 +trace secure1.entreprises.bnpparibas.net

; <<>> DiG 9.16.1-Ubuntu <<>> @127.0.0.1 +trace 
secure1.entreprises.bnpparibas.net
; (1 server found)
;; global options: +cmd
.                       518369  IN      NS      i.root-servers.net.
.                       518369  IN      NS      m.root-servers.net.
.                       518369  IN      NS      j.root-servers.net.
.                       518369  IN      NS      e.root-servers.net.
.                       518369  IN      NS      c.root-servers.net.
.                       518369  IN      NS      a.root-servers.net.
.                       518369  IN      NS      h.root-servers.net.
.                       518369  IN      NS      b.root-servers.net.
.                       518369  IN      NS      d.root-servers.net.
.                       518369  IN      NS      g.root-servers.net.
.                       518369  IN      NS      f.root-servers.net.
.                       518369  IN      NS      k.root-servers.net.
.                       518369  IN      NS      l.root-servers.net.
.                       518369  IN      RRSIG   NS 8 0 518400 20220725050000 
20220712040000 20826 . dpygLUQn3iomdBRiT7h6IzUwq2/FPvoWoTqc0MYjoeOGNiNrpio/1j/K 
FsZ1BJhD3dsHHKNmprBY91zguTheTPQpA6AIqzZZyGR2IqBZN8yrZWwB 
PlaGnWlIbDJkBpNMXLb579zAMzQJs4mUvEqf0PBWBh4anYc3OzLEKNCP 
zMt9qEw/y8G1Jg8IjTwX2Qnl7U9RwMfl/3qcEJWJ6CfBlsqezDnP7c+9 
IrlfP/kSQxIe6g7DkFndG50Xp+OMtkVr9+ZQAgr3J5TJ0qeLNPO/219S 
JWus8wEEGRJDWFroj/cvWS8+vII5w/6mIV+wsDrhzxVIuCFMy8tFo2GL rhphWg==
;; Received 1137 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms

net.                    172800  IN      NS      l.gtld-servers.net.
net.                    172800  IN      NS      b.gtld-servers.net.
net.                    172800  IN      NS      c.gtld-servers.net.
net.                    172800  IN      NS      d.gtld-servers.net.
net.                    172800  IN      NS      e.gtld-servers.net.
net.                    172800  IN      NS      f.gtld-servers.net.
net.                    172800  IN      NS      g.gtld-servers.net.
net.                    172800  IN      NS      a.gtld-servers.net.
net.                    172800  IN      NS      h.gtld-servers.net.
net.                    172800  IN      NS      i.gtld-servers.net.
net.                    172800  IN      NS      j.gtld-servers.net.
net.                    172800  IN      NS      k.gtld-servers.net.
net.                    172800  IN      NS      m.gtld-servers.net.
net.                    86400   IN      DS      35886 8 2 
7862B27F5F516EBE19680444D4CE5E762981931842C465F00236401D 8BD973EE
net.                    86400   IN      RRSIG   DS 8 1 86400 20220725050000 
20220712040000 20826 . mZle8q/X7471+/Gau9gxqbTRJQDoc9hQsMkt9vQV0oO3Z+dwGI8PUxiN 
azCtkzSHEQ/pTGH5N2zshvMEjvWF979CTIWZY0kWDwuD3PNDTGL4eNVi 
kXtUupOs+DHqDn2kYMlFzOSXAGFh5z49t4W+dZQHwHERsoy5jyLoHJ40 
P2MBz8IB7pAj7fCd18coU0NvhR45xqdmyuyv/oHw0ixs5My0mdKXgZc2 
C6aPKXoR+Cf2X98j3fH6jIKtc8I2LkKZ5z1HpHCBeml7OzQhYDH9favv 
7N4X/U3QGv9e6hjWwI2BvPt6xSNEbH8kpgvtaHDrU/1E5MmKluNggs1k UNc8Dg==
;; Received 1191 bytes from 192.5.5.241#53(f.root-servers.net) in 12 ms

bnpparibas.net.         172800  IN      NS      ns1.bnpparibas.com.
bnpparibas.net.         172800  IN      NS      ns2.bnpparibas.com.
bnpparibas.net.         172800  IN      NS      ns3.domivesta.net.
bnpparibas.net.         172800  IN      NS      ns4.domivesta.com.
A1RT98BS5QGC9NFI51S9HCI47ULJG6JH.net. 86400 IN NSEC3 1 1 0 - 
A1RTLNPGULOGN7B9A62SHJE1U3TTP8DR NS SOA RRSIG DNSKEY NSEC3PARAM 
A1RT98BS5QGC9NFI51S9HCI47ULJG6JH.net. 86400 IN RRSIG NSEC3 8 2 86400 
20220718060316 20220711045316 45728 net. 
Tt0buHwLN3KMVREYqK5EPSyImnIU5GvwF3bWhVvUSpJww+Om0tL9DlAn 
vp0bQKadcrsMug8jgtpnBlBjBZ8UKR06OS46E5gCl2JHK/1vz5i434jp 
3PqIMVaS3jASoAH2XXEaJ3V3VVrO46iKUZKtc7itLoFyCyiZLoyAHTgy 
3sWu575m9V+CsyGmKkfCu+TVKb/HrkSROSxR85yk0KohSw==
4E96OTLVH81V106ISLS0QJ4M5QCTRULN.net. 86400 IN NSEC3 1 1 0 - 
4E97OE6AI9V97HGSCSGJROD2OKVAR7L1 NS DS RRSIG 
4E96OTLVH81V106ISLS0QJ4M5QCTRULN.net. 86400 IN RRSIG NSEC3 8 2 86400 
20220718055634 20220711044634 45728 net. 
RkoTaYl9xQX0wdVLMOWslX6LCX7fGJOCLEFAxmYlwgnimN6jSNbuNO6K 
44GsMlQrHvp0dJYBI7uUkwSkOhp1ctciO1/9FkeFUfgEXiBBwMZfkUI9 
lJA7s9zcAkDbJAPsc2onN9F+0M6QoGafg4RZdQfPUvmTvpZ9ix0YiesT 
rZWN1VeTsnCUXGVmrE7bKs2novEXBRXCZ46LXjR1V0cDWw==
;; Received 734 bytes from 192.41.162.30#53(l.gtld-servers.net) in 24 ms

secure1.entreprises.bnpparibas.net. 14400 IN CNAME 
secure1.entreprises.net-srv2.bnpparibas.net.
;; Received 106 bytes from 96.7.50.66#53(ns3.domivesta.net) in 60 ms




qname-minimization a off:


dig @127.0.0.1 secure1.entreprises.bnpparibas.net       

; <<>> DiG 9.16.1-Ubuntu <<>> @127.0.0.1 secure1.entreprises.bnpparibas.net
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7604 ;; flags: qr rd ra; 
QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 925168ef2d02997b0100000062cd9276ba9d330e5f8bf06c (good) ;; QUESTION 
SECTION:
;secure1.entreprises.bnpparibas.net. IN A

;; ANSWER SECTION:
secure1.entreprises.bnpparibas.net. 14400 IN CNAME 
secure1.entreprises.net-srv2.bnpparibas.net.
secure1.entreprises.net-srv2.bnpparibas.net. 30 IN A 159.50.187.25

;; Query time: 432 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 12 15:25:42 UTC 2022
;; MSG SIZE  rcvd: 164


dig @127.0.0.1 +trace secure1.entreprises.bnpparibas.net

; <<>> DiG 9.16.1-Ubuntu <<>> @127.0.0.1 +trace 
secure1.entreprises.bnpparibas.net
; (1 server found)
;; global options: +cmd
.                       518300  IN      NS      i.root-servers.net.
.                       518300  IN      NS      a.root-servers.net.
.                       518300  IN      NS      l.root-servers.net.
.                       518300  IN      NS      m.root-servers.net.
.                       518300  IN      NS      b.root-servers.net.
.                       518300  IN      NS      e.root-servers.net.
.                       518300  IN      NS      d.root-servers.net.
.                       518300  IN      NS      f.root-servers.net.
.                       518300  IN      NS      g.root-servers.net.
.                       518300  IN      NS      h.root-servers.net.
.                       518300  IN      NS      c.root-servers.net.
.                       518300  IN      NS      j.root-servers.net.
.                       518300  IN      NS      k.root-servers.net.
.                       518300  IN      RRSIG   NS 8 0 518400 20220725050000 
20220712040000 20826 . dpygLUQn3iomdBRiT7h6IzUwq2/FPvoWoTqc0MYjoeOGNiNrpio/1j/K 
FsZ1BJhD3dsHHKNmprBY91zguTheTPQpA6AIqzZZyGR2IqBZN8yrZWwB 
PlaGnWlIbDJkBpNMXLb579zAMzQJs4mUvEqf0PBWBh4anYc3OzLEKNCP 
zMt9qEw/y8G1Jg8IjTwX2Qnl7U9RwMfl/3qcEJWJ6CfBlsqezDnP7c+9 
IrlfP/kSQxIe6g7DkFndG50Xp+OMtkVr9+ZQAgr3J5TJ0qeLNPO/219S 
JWus8wEEGRJDWFroj/cvWS8+vII5w/6mIV+wsDrhzxVIuCFMy8tFo2GL rhphWg==
;; Received 1137 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms

net.                    172800  IN      NS      a.gtld-servers.net.
net.                    172800  IN      NS      b.gtld-servers.net.
net.                    172800  IN      NS      c.gtld-servers.net.
net.                    172800  IN      NS      d.gtld-servers.net.
net.                    172800  IN      NS      e.gtld-servers.net.
net.                    172800  IN      NS      f.gtld-servers.net.
net.                    172800  IN      NS      g.gtld-servers.net.
net.                    172800  IN      NS      h.gtld-servers.net.
net.                    172800  IN      NS      i.gtld-servers.net.
net.                    172800  IN      NS      j.gtld-servers.net.
net.                    172800  IN      NS      k.gtld-servers.net.
net.                    172800  IN      NS      l.gtld-servers.net.
net.                    172800  IN      NS      m.gtld-servers.net.
net.                    86400   IN      DS      35886 8 2 
7862B27F5F516EBE19680444D4CE5E762981931842C465F00236401D 8BD973EE
net.                    86400   IN      RRSIG   DS 8 1 86400 20220725050000 
20220712040000 20826 . mZle8q/X7471+/Gau9gxqbTRJQDoc9hQsMkt9vQV0oO3Z+dwGI8PUxiN 
azCtkzSHEQ/pTGH5N2zshvMEjvWF979CTIWZY0kWDwuD3PNDTGL4eNVi 
kXtUupOs+DHqDn2kYMlFzOSXAGFh5z49t4W+dZQHwHERsoy5jyLoHJ40 
P2MBz8IB7pAj7fCd18coU0NvhR45xqdmyuyv/oHw0ixs5My0mdKXgZc2 
C6aPKXoR+Cf2X98j3fH6jIKtc8I2LkKZ5z1HpHCBeml7OzQhYDH9favv 
7N4X/U3QGv9e6hjWwI2BvPt6xSNEbH8kpgvtaHDrU/1E5MmKluNggs1k UNc8Dg==
;; Received 1191 bytes from 199.7.83.42#53(l.root-servers.net) in 20 ms

bnpparibas.net.         172800  IN      NS      ns1.bnpparibas.com.
bnpparibas.net.         172800  IN      NS      ns2.bnpparibas.com.
bnpparibas.net.         172800  IN      NS      ns3.domivesta.net.
bnpparibas.net.         172800  IN      NS      ns4.domivesta.com.
A1RT98BS5QGC9NFI51S9HCI47ULJG6JH.net. 86400 IN NSEC3 1 1 0 - 
A1RTLNPGULOGN7B9A62SHJE1U3TTP8DR NS SOA RRSIG DNSKEY NSEC3PARAM 
A1RT98BS5QGC9NFI51S9HCI47ULJG6JH.net. 86400 IN RRSIG NSEC3 8 2 86400 
20220718060316 20220711045316 45728 net. 
Tt0buHwLN3KMVREYqK5EPSyImnIU5GvwF3bWhVvUSpJww+Om0tL9DlAn 
vp0bQKadcrsMug8jgtpnBlBjBZ8UKR06OS46E5gCl2JHK/1vz5i434jp 
3PqIMVaS3jASoAH2XXEaJ3V3VVrO46iKUZKtc7itLoFyCyiZLoyAHTgy 
3sWu575m9V+CsyGmKkfCu+TVKb/HrkSROSxR85yk0KohSw==
4E96OTLVH81V106ISLS0QJ4M5QCTRULN.net. 86400 IN NSEC3 1 1 0 - 
4E97OE6AI9V97HGSCSGJROD2OKVAR7L1 NS DS RRSIG 
4E96OTLVH81V106ISLS0QJ4M5QCTRULN.net. 86400 IN RRSIG NSEC3 8 2 86400 
20220718055634 20220711044634 45728 net. 
RkoTaYl9xQX0wdVLMOWslX6LCX7fGJOCLEFAxmYlwgnimN6jSNbuNO6K 
44GsMlQrHvp0dJYBI7uUkwSkOhp1ctciO1/9FkeFUfgEXiBBwMZfkUI9 
lJA7s9zcAkDbJAPsc2onN9F+0M6QoGafg4RZdQfPUvmTvpZ9ix0YiesT 
rZWN1VeTsnCUXGVmrE7bKs2novEXBRXCZ46LXjR1V0cDWw==
;; Received 734 bytes from 192.12.94.30#53(e.gtld-servers.net) in 32 ms

secure1.entreprises.bnpparibas.net. 14400 IN CNAME 
secure1.entreprises.net-srv2.bnpparibas.net.
;; Received 106 bytes from 23.74.25.65#53(ns4.domivesta.com) in 24 ms


-----Message d'origine-----
De : frnog-requ...@frnog.org <frnog-requ...@frnog.org> De la part de Daniel via 
frnog Envoyé : mardi 12 juillet 2022 17:18 À : frnog@frnog.org Objet : Re: 
[FRnOG] [TECH] Problème de résolution DNS BNP PARIBAS


Le 12/07/2022 à 16:55, Jérôme Descoux via frnog a écrit :
> Yop,
>
>> Depuis que nous avons mis a jour nos serveurs bind en 9.16 nous ne pouvons 
>> plus résoudre des adresses chez BNP PARIBAS.
>> Exemple : secure1.entreprises.bnpparibas.net
>>
>> Avec un bind en 9.11 ça resoud pourtant bien et avec unbound aussi.
>>
>> Ça serait en lien avec https://dnsflagday.net/2020/ et l'EDNS 
>> workaround
>>
>> On arrive pas trop a voir ce qui bloque et si on doit corriger quelque chose 
>> de notre coté.
> Les coupables sont les NS (sns6.bnpparibas.fr ; sns5.bnpparibas.net) gérant 
> la zone net-srv2.bnpparibas.net.
>
> Désactive le 'qname minimization', ça devrait résoudre ton problème.
Ici il est à strict

--
Daniel


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