soucis de resolution reverse (renater)

Gilles BRUNO <[email protected]> Mon, 9 Apr 2018 11:40:21 +0200
Newsgroups gmane.network.dns.french
Message-ID <[email protected]>
Bonjour à tous,

nous avons des soucis de résolution des reverses de certaines classes C 
de renater (utilisé pour l'antispam)
En particulier, nous cherchons à resoudre les reverses des IP :

mxa.relay.renater.fr has address *194.214.201.8*
mxb.relay.renater.fr has address *194.214.201.9*
mxc.relay.renater.fr has address *194.214.200.8*
mxd.relay.renater.fr has address *194.214.200.9*

en faisant un dig +trace il semble qu'il y ait des incohérences sur les 
SOA, en outre il semble qu'un des serveurs - ns4.cnrs.fr - ne (nous?) 
réponde pas :

> 11:28:58 ns1:~ dig NS *200.214.194.in-addr.arpa*@ns1.renater.fr.
>
> ; <<>> DiG 9.9.12 <<>> NS 200.214.194.in-addr.arpa @ns1.renater.fr.
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37830
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 5
> ;; WARNING: recursion requested but not available
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;200.214.194.in-addr.arpa.      IN      NS
>
> ;; ANSWER SECTION:
> *200.214.194.in-addr.arpa. 86400 IN      NS ns2.renater.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS ns4.cnrs.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS      ns1.cnrs.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS ns1.renater.fr.**
> ***
> ;; ADDITIONAL SECTION:
> ns1.renater.fr.         300     IN      A       193.49.159.2
> ns2.renater.fr.         300     IN      A       193.49.159.9
> ns1.renater.fr.         300     IN      AAAA 2001:660:3001:4002::2
> ns2.renater.fr.         300     IN      AAAA 2001:660:3001:4002::9
>
> ;; Query time: 12 msec
> ;; SERVER: 193.49.159.2#53(193.49.159.2)
> ;; WHEN: Mon Apr 09 10:53:07 CEST 2018
> ;; MSG SIZE  rcvd: 228

> 11:31:03 ns1:~ dig NS 200.214.194.in-addr.arpa @ns4.cnrs.fr.
>
> ; <<>> DiG 9.9.12 <<>> NS 200.214.194.in-addr.arpa @ns4.cnrs.fr.
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 26810
> ;; flags: qr rd; QUERY: 1,*ANSWER: 0,* AUTHORITY: 0, ADDITIONAL: 1
> ;; WARNING: recursion requested but not available
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;200.214.194.in-addr.arpa.      IN      NS
>
> ;; Query time: 4 msec
> ;; SERVER: 195.220.197.11#53(195.220.197.11)
> ;; WHEN: Mon Apr 09 11:31:04 CEST 2018
> ;; MSG SIZE  rcvd: 53


En outre j'ai des comportements "bizzares" en faisant un dig +trace 
(réponses incohérentes ?) :

> 11:29:20 ns1:/etc/namedb *dig +trace NS 200.214.194.in-addr.arpa*
>
> ; <<>> DiG 9.9.12 <<>> +trace NS 200.214.194.in-addr.arpa
> ;; global options: +cmd
> .                       84      IN      NS l.root-servers.net.
> .                       84      IN      NS f.root-servers.net.
> .                       84      IN      NS c.root-servers.net.
> .                       84      IN      NS e.root-servers.net.
> .                       84      IN      NS j.root-servers.net.
> .                       84      IN      NS d.root-servers.net.
> .                       84      IN      NS m.root-servers.net.
> .                       84      IN      NS k.root-servers.net.
> .                       84      IN      NS g.root-servers.net.
> .                       84      IN      NS a.root-servers.net.
> .                       84      IN      NS h.root-servers.net.
> .                       84      IN      NS i.root-servers.net.
> .                       84      IN      NS b.root-servers.net.
> .                       189     IN      RRSIG   NS 8 0 518400 
> 20180422050000 20180409040000 39570 . 
> Qt4fEjoHV0VZcIyLDmsvkUkIxdsLT3nO4GtYe1oJx1tfZBfc1/+MhapF 
> MQezvttHNs2KFLLlihzk7pceOF8mHKHsStFKiEzbFATYiTZ5ecBzml55 
> Q98Wz9hZkpOQFB/2jqlAzDv04rvV6HuDk1E1/c2ZOaCtLvZzXEAk6/CZ 
> mlgFeBuEst57kYK+rdUZCRCrDndZbIxvqOJ+7kqX/KlensWa1voqDKyv 
> XGJ0/DW7tZzGkFP0Wj7BWLnL8vB9n6uKsEKrYR6vslgJC4mAyBWqW8By 
> D1seNKqqgslm70Yv5fFsODp21OS7HPhgrvQnNA7RoRdcczlx63CFe6Wl YWvVRQ==
> ;; Received 525 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms
>
> in-addr.arpa.           172800  IN      NS f.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS c.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS b.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS e.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS d.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS a.in-addr-servers.arpa.
> in-addr.arpa.           86400   IN      DS      63982 8 2 
> AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D0 30733C73
> in-addr.arpa.           86400   IN      DS      47054 8 2 
> 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F2 81CBC6F2
> in-addr.arpa.           86400   IN      DS      53696 8 2 
> 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D 424F04DF
> in-addr.arpa.           86400   IN      RRSIG   DS 8 2 86400 
> 20180422000000 20180408230000 56191 arpa. 
> wrWchbnEBx5Q/GpddahFVydC+Y5YO/gVr+70QwpXOTrt7ztPWZ47ZkJG 
> wWdlCKgQfuGsEqqAQ9RRK0bHuDZelQVdyWMnggyoVCC9i9GlQwAy/Vzq 
> pLy0233A03Fss3l2Cpr9tBKIV+TLGnlzUTm10Bi+yI+tdZrb6p024hEn R7U=
> ;; Received 737 bytes from 192.33.4.12#53(c.root-servers.net) in 18 ms
>
> 194.in-addr.arpa.       86400   IN      NS      ns3.lacnic.net.
> 194.in-addr.arpa.       86400   IN      NS      ns4.apnic.net.
> 194.in-addr.arpa.       86400   IN      NS      tinnie.arin.net.
> 194.in-addr.arpa.       86400   IN      NS      ns3.afrinic.net.
> 194.in-addr.arpa.       86400   IN      NS pri.authdns.ripe.net.
> 194.in-addr.arpa.       86400   IN      NS      sns-pb.isc.org.
> 194.in-addr.arpa.       86400   IN      DS      50849 8 2 
> 7B0F17B502B365DC66849267872E29DF457EB8261A5A73F0D75FF1E7 1466F278
> 194.in-addr.arpa.       86400   IN      RRSIG   DS 8 3 86400 
> 20180429020750 20180407202433 43878 in-addr.arpa. 
> IxXCGBya9Toa2uoYFCFuWDUMrvwTTmzLFFFfTjVd9rltJKspoAtL561N 
> RYbPp37V4WZK4MCVAu7Q+E4oj5z9Sc1fcmu5jgv40MEJ0ZGKYj174mzq 
> fTc7jmB5DnNOsAIWBJ3lIOfSNo5glCHGbOVONaXlWpYp8McJKL74W24i gKA=
> ;; Received 436 bytes from 199.180.182.53#53(a.in-addr-servers.arpa) 
> in 167 ms
>
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.nic.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns.ripe.net.
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.renater.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns1.renater.fr.
> 214.194.in-addr.arpa.   3600    IN      NSEC 215.194.in-addr.arpa. NS 
> RRSIG NSEC
> 214.194.in-addr.arpa.   3600    IN      RRSIG   NSEC 8 4 3600 
> 20180508171131 20180408161131 16836 194.in-addr.arpa. 
> aT8455YQybGrfQd6h52prDLnFZ01xFmSFAHoq2Y8fWF29MBCp+OJ4WHx 
> GPoV6tNn2ISOaV18uWz62lcUZj8/v0hD0Dw/PSCrxIHg1ftREWV7IE8p 
> 6smXcLms3VOK+GlXY0zFDb36e+bFc5gFapEE2MAgKT7Kd6TQkTrZlldx GNo=
> ;; Received 744 bytes from 192.5.4.1#53(sns-pb.isc.org) in 20 ms
>
> *200.214.194.in-addr.arpa. 86400 IN      NS      ns1.cnrs.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS      ns4.cnrs.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS ns1.renater.fr.**
> **200.214.194.in-addr.arpa. 86400 IN      NS ns2.renater.fr.**
> **;; Received 1588 bytes from 193.49.159.2#53(ns1.renater.fr) in 15 ms*

mais :

> 11:34:12 ns1:/etc/namedb dig +trace NS 200.214.194.in-addr.arpa
>
> ; <<>> DiG 9.9.12 <<>> +trace NS 200.214.194.in-addr.arpa
> ;; global options: +cmd
> .                       110     IN      NS c.root-servers.net.
> .                       110     IN      NS d.root-servers.net.
> .                       110     IN      NS f.root-servers.net.
> .                       110     IN      NS m.root-servers.net.
> .                       110     IN      NS i.root-servers.net.
> .                       110     IN      NS j.root-servers.net.
> .                       110     IN      NS a.root-servers.net.
> .                       110     IN      NS b.root-servers.net.
> .                       110     IN      NS l.root-servers.net.
> .                       110     IN      NS g.root-servers.net.
> .                       110     IN      NS e.root-servers.net.
> .                       110     IN      NS k.root-servers.net.
> .                       110     IN      NS h.root-servers.net.
> .                       267     IN      RRSIG   NS 8 0 518400 
> 20180422050000 20180409040000 39570 . 
> Qt4fEjoHV0VZcIyLDmsvkUkIxdsLT3nO4GtYe1oJx1tfZBfc1/+MhapF 
> MQezvttHNs2KFLLlihzk7pceOF8mHKHsStFKiEzbFATYiTZ5ecBzml55 
> Q98Wz9hZkpOQFB/2jqlAzDv04rvV6HuDk1E1/c2ZOaCtLvZzXEAk6/CZ 
> mlgFeBuEst57kYK+rdUZCRCrDndZbIxvqOJ+7kqX/KlensWa1voqDKyv 
> XGJ0/DW7tZzGkFP0Wj7BWLnL8vB9n6uKsEKrYR6vslgJC4mAyBWqW8By 
> D1seNKqqgslm70Yv5fFsODp21OS7HPhgrvQnNA7RoRdcczlx63CFe6Wl YWvVRQ==
> ;; Received 525 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms
>
> in-addr.arpa.           172800  IN      NS a.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS b.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS c.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS d.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS e.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS f.in-addr-servers.arpa.
> in-addr.arpa.           86400   IN      DS      47054 8 2 
> 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F2 81CBC6F2
> in-addr.arpa.           86400   IN      DS      53696 8 2 
> 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D 424F04DF
> in-addr.arpa.           86400   IN      DS      63982 8 2 
> AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D0 30733C73
> in-addr.arpa.           86400   IN      RRSIG   DS 8 2 86400 
> 20180422000000 20180408230000 56191 arpa. 
> wrWchbnEBx5Q/GpddahFVydC+Y5YO/gVr+70QwpXOTrt7ztPWZ47ZkJG 
> wWdlCKgQfuGsEqqAQ9RRK0bHuDZelQVdyWMnggyoVCC9i9GlQwAy/Vzq 
> pLy0233A03Fss3l2Cpr9tBKIV+TLGnlzUTm10Bi+yI+tdZrb6p024hEn R7U=
> ;; Received 737 bytes from 192.5.5.241#53(f.root-servers.net) in 10 ms
>
> 194.in-addr.arpa.       86400   IN      NS      ns3.lacnic.net.
> 194.in-addr.arpa.       86400   IN      NS      ns3.afrinic.net.
> 194.in-addr.arpa.       86400   IN      NS      ns4.apnic.net.
> 194.in-addr.arpa.       86400   IN      NS pri.authdns.ripe.net.
> 194.in-addr.arpa.       86400   IN      NS      sns-pb.isc.org.
> 194.in-addr.arpa.       86400   IN      NS      tinnie.arin.net.
> 194.in-addr.arpa.       86400   IN      DS      50849 8 2 
> 7B0F17B502B365DC66849267872E29DF457EB8261A5A73F0D75FF1E7 1466F278
> 194.in-addr.arpa.       86400   IN      RRSIG   DS 8 3 86400 
> 20180429020750 20180407202433 43878 in-addr.arpa. 
> IxXCGBya9Toa2uoYFCFuWDUMrvwTTmzLFFFfTjVd9rltJKspoAtL561N 
> RYbPp37V4WZK4MCVAu7Q+E4oj5z9Sc1fcmu5jgv40MEJ0ZGKYj174mzq 
> fTc7jmB5DnNOsAIWBJ3lIOfSNo5glCHGbOVONaXlWpYp8McJKL74W24i gKA=
> ;; Received 436 bytes from 196.216.169.10#53(c.in-addr-servers.arpa) 
> in 216 ms
>
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.nic.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns1.renater.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.renater.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns.ripe.net.
> 214.194.in-addr.arpa.   3600    IN      NSEC 215.194.in-addr.arpa. NS 
> RRSIG NSEC
> 214.194.in-addr.arpa.   3600    IN      RRSIG   NSEC 8 4 3600 
> 20180508171131 20180408161131 16836 194.in-addr.arpa. 
> aT8455YQybGrfQd6h52prDLnFZ01xFmSFAHoq2Y8fWF29MBCp+OJ4WHx 
> GPoV6tNn2ISOaV18uWz62lcUZj8/v0hD0Dw/PSCrxIHg1ftREWV7IE8p 
> 6smXcLms3VOK+GlXY0zFDb36e+bFc5gFapEE2MAgKT7Kd6TQkTrZlldx GNo=
> ;; Received 364 bytes from 204.61.216.100#53(ns3.afrinic.net) in 4 ms
>
> *214.194.in-addr.arpa.   86400 IN      SOA     ns1.renater.fr. 
> hostmaster.renater.fr. 2015012387 28800 7200 604800 172800
> ;; Received 114 bytes from 193.0.9.6#53(ns.ripe.net) in 21 ms*
>
>
> 11:36:30 root@ns1:/etc/namedb dig +trace NS 200.214.194.in-addr.arpa
>
> ; <<>> DiG 9.9.12 <<>> +trace NS 200.214.194.in-addr.arpa
> ;; global options: +cmd
> .                       287     IN      NS b.root-servers.net.
> .                       287     IN      NS e.root-servers.net.
> .                       287     IN      NS h.root-servers.net.
> .                       287     IN      NS i.root-servers.net.
> .                       287     IN      NS c.root-servers.net.
> .                       287     IN      NS k.root-servers.net.
> .                       287     IN      NS d.root-servers.net.
> .                       287     IN      NS j.root-servers.net.
> .                       287     IN      NS g.root-servers.net.
> .                       287     IN      NS f.root-servers.net.
> .                       287     IN      NS l.root-servers.net.
> .                       287     IN      NS m.root-servers.net.
> .                       287     IN      NS a.root-servers.net.
> .                       287     IN      RRSIG   NS 8 0 518400 
> 20180422050000 20180409040000 39570 . 
> Qt4fEjoHV0VZcIyLDmsvkUkIxdsLT3nO4GtYe1oJx1tfZBfc1/+MhapF 
> MQezvttHNs2KFLLlihzk7pceOF8mHKHsStFKiEzbFATYiTZ5ecBzml55 
> Q98Wz9hZkpOQFB/2jqlAzDv04rvV6HuDk1E1/c2ZOaCtLvZzXEAk6/CZ 
> mlgFeBuEst57kYK+rdUZCRCrDndZbIxvqOJ+7kqX/KlensWa1voqDKyv 
> XGJ0/DW7tZzGkFP0Wj7BWLnL8vB9n6uKsEKrYR6vslgJC4mAyBWqW8By 
> D1seNKqqgslm70Yv5fFsODp21OS7HPhgrvQnNA7RoRdcczlx63CFe6Wl YWvVRQ==
> ;; Received 525 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms
>
> in-addr.arpa.           172800  IN      NS a.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS b.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS c.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS d.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS e.in-addr-servers.arpa.
> in-addr.arpa.           172800  IN      NS f.in-addr-servers.arpa.
> in-addr.arpa.           86400   IN      DS      47054 8 2 
> 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F2 81CBC6F2
> in-addr.arpa.           86400   IN      DS      53696 8 2 
> 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D 424F04DF
> in-addr.arpa.           86400   IN      DS      63982 8 2 
> AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D0 30733C73
> in-addr.arpa.           86400   IN      RRSIG   DS 8 2 86400 
> 20180422000000 20180408230000 56191 arpa. 
> wrWchbnEBx5Q/GpddahFVydC+Y5YO/gVr+70QwpXOTrt7ztPWZ47ZkJG 
> wWdlCKgQfuGsEqqAQ9RRK0bHuDZelQVdyWMnggyoVCC9i9GlQwAy/Vzq 
> pLy0233A03Fss3l2Cpr9tBKIV+TLGnlzUTm10Bi+yI+tdZrb6p024hEn R7U=
> ;; Received 737 bytes from 198.97.190.53#53(h.root-servers.net) in 99 ms
>
> 194.in-addr.arpa.       86400   IN      NS      ns3.lacnic.net.
> 194.in-addr.arpa.       86400   IN      NS      ns3.afrinic.net.
> 194.in-addr.arpa.       86400   IN      NS      ns4.apnic.net.
> 194.in-addr.arpa.       86400   IN      NS pri.authdns.ripe.net.
> 194.in-addr.arpa.       86400   IN      NS      sns-pb.isc.org.
> 194.in-addr.arpa.       86400   IN      NS      tinnie.arin.net.
> 194.in-addr.arpa.       86400   IN      DS      50849 8 2 
> 7B0F17B502B365DC66849267872E29DF457EB8261A5A73F0D75FF1E7 1466F278
> 194.in-addr.arpa.       86400   IN      RRSIG   DS 8 3 86400 
> 20180429020750 20180407202433 43878 in-addr.arpa. 
> IxXCGBya9Toa2uoYFCFuWDUMrvwTTmzLFFFfTjVd9rltJKspoAtL561N 
> RYbPp37V4WZK4MCVAu7Q+E4oj5z9Sc1fcmu5jgv40MEJ0ZGKYj174mzq 
> fTc7jmB5DnNOsAIWBJ3lIOfSNo5glCHGbOVONaXlWpYp8McJKL74W24i gKA=
> ;; Received 436 bytes from 199.253.183.183#53(b.in-addr-servers.arpa) 
> in 31 ms
>
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.renater.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns1.renater.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns2.nic.fr.
> 214.194.in-addr.arpa.   172800  IN      NS      ns.ripe.net.
> 214.194.in-addr.arpa.   3600    IN      NSEC 215.194.in-addr.arpa. NS 
> RRSIG NSEC
> 214.194.in-addr.arpa.   3600    IN      RRSIG   NSEC 8 4 3600 
> 20180508171131 20180408161131 16836 194.in-addr.arpa. 
> aT8455YQybGrfQd6h52prDLnFZ01xFmSFAHoq2Y8fWF29MBCp+OJ4WHx 
> GPoV6tNn2ISOaV18uWz62lcUZj8/v0hD0Dw/PSCrxIHg1ftREWV7IE8p 
> 6smXcLms3VOK+GlXY0zFDb36e+bFc5gFapEE2MAgKT7Kd6TQkTrZlldx GNo=
> ;; Received 364 bytes from 200.3.13.14#53(ns3.lacnic.net) in 232 ms
>
> *214.194.in-addr.arpa.   86400   IN SOA     ns1.renater.fr. 
> hostmaster.renater.fr. 2015012387 28800 7200 604800 172800**
> ;; Received 114 bytes from 192.93.0.4#53(ns2.nic.fr) in 9 ms*

pour moi, la réponse de ns2.nic.fr et ns.ripe.net n'est pas cohérente 
(aucun NS) avec celle de ns1.renater.fr

Pouvez-vous me confirmer ce diagnostic (ou me dire si je m'y prends 
comme un manche)

Merci d'avance pour vos éclaircissements,

Cordialement,

-- 
Gilles BRUNO
Direction du Systeme d'Information (DGDSI)
Universite Grenoble Alpes (UGA)
Domaine Universitaire - Batiment IMA B - Bureau 207
41 rue des Mathematiques
38400 SAINT MARTIN D'HERES