[dns-operations] (co.)bw DNSSEC failure

Peter van Dijk peter.van.dijk at powerdns.com
Tue Sep 20 14:27:26 UTC 2016


Hello,

yes, I can see it is not signed - but validators cannot see that, 
because one of the .bw servers (‘master’) fails to provide the 
insecure (lack of DS) proof.

Kind regards,
-- 
Peter van Dijk
PowerDNS.COM BV - https://www.powerdns.com/

On 20 Sep 2016, at 16:26, Moakofi Kamanga wrote:

> Hi Peter the zone co.bw has not been signed.Whe we started signing we 
> started with the smallest zones and left co.bw while observing how 
> other zones behave
>
> From: Peter van Dijk [mailto:peter.van.dijk at powerdns.com]
> Sent: 20 September 2016 04:12 PM
> To: dns-operations at dns-oarc.net
> Cc: Moakofi Kamanga <kamanga at BOCRA.ORG.BW>
> Subject: (co.)bw DNSSEC failure
>
> As (currently) visible on 
> http://dnsviz.net/d/co.bw/dnssec/<https://protect-za.mimecast.com/s/XDAvBlUv0Kvfx?domain=dnsviz.net>, 
> -one- of
> the auths for .bw (the one with ‘master’ in the name) responds
> without any DNSSEC data to a DS query for co.bw, turning all names 
> under
> co.bw bogus if a validator happens to hit this auth.
>
> See also, bad:
>
> $ dig +dnssec ds co.bw @168.167.168.37 +norec
>
> ; <<>> DiG 9.11.0a2 <<>> +dnssec ds co.bw @168.167.168.37 +norec
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55749
> ;; flags: qr aa; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags: do; udp: 4096
> ;; QUESTION SECTION:
> ;co.bw. IN DS
>
> ;; AUTHORITY SECTION:
> bw. 3600 IN SOA dns1.nic.net.bw. registry.nic.net.bw. 2016092010 21600
> 3600 604800 3600
> bw. 3600 IN RRSIG SOA 8 1 3600 20161004224314 20160920130009 30513 bw.
> zSVNWUlYuP8JvpLazV2qy7GZ7DhPDkAcwGDeIx9K4EJwiOPRJW/PxSJW
> 1zulj9dZXDTbtu5CtgBc5RfXuFVlocLdPO2a8YrhOgmFBZV/QUfQ3521
> L9ulDOU7ugB0Rdkqk+hwRm7EDLkRRFFK8wKs7Pur7caG2myFBoCqW7s5 qfk=
>
> ;; Query time: 371 msec
> ;; SERVER: 168.167.168.37#53(168.167.168.37)
> ;; WHEN: Tue Sep 20 16:10:48 CEST 2016
> ;; MSG SIZE rcvd: 254
>
> good:
> $ dig +dnssec ds co.bw @204.61.216.70 +norec
>
> ; <<>> DiG 9.11.0a2 <<>> +dnssec ds co.bw @204.61.216.70 +norec
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27343
> ;; flags: qr aa; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags: do; udp: 4096
> ;; QUESTION SECTION:
> ;co.bw. IN DS
>
> ;; AUTHORITY SECTION:
> bw. 3600 IN SOA dns1.nic.net.bw. registry.nic.net.bw. 2016092010 21600
> 3600 604800 3600
> bw. 3600 IN RRSIG SOA 8 1 3600 20161004224314 20160920130009 30513 bw.
> zSVNWUlYuP8JvpLazV2qy7GZ7DhPDkAcwGDeIx9K4EJwiOPRJW/PxSJW
> 1zulj9dZXDTbtu5CtgBc5RfXuFVlocLdPO2a8YrhOgmFBZV/QUfQ3521
> L9ulDOU7ugB0Rdkqk+hwRm7EDLkRRFFK8wKs7Pur7caG2myFBoCqW7s5 qfk=
> 0r0vq8vnkjq0q8h8a21rf8vstnl8cpoj.bw. 3600 IN NSEC3 1 0 5
> CE1457EE88F2A780 0R4R9PE5RACFBV1D2QKKHU3APDT24GJI NS
> 0r0vq8vnkjq0q8h8a21rf8vstnl8cpoj.bw. 3600 IN RRSIG NSEC3 8 2 3600
> 20161004194150 20160920130009 30513 bw.
> dVxbk65WdNrwMt56HU1FCSvv1hmF7V4VhJByV9tyav56uKLEVgTA5VFM
> RZjyReGj6LFQuaczsgXDCbVoCDS1NMjLl6hgkMrje9I/rZ4tdeQ6FGyU
> OIIUsj8LX1/Xf0d3wckFXDO8n3WzYZHbpH26RiuK85kLlecEiYCO1vh0 10s=
>
> ;; Query time: 23 msec
> ;; SERVER: 204.61.216.70#53(204.61.216.70)
> ;; WHEN: Tue Sep 20 16:11:13 CEST 2016
> ;; MSG SIZE rcvd: 498
>
> Technical contact from 
> https://www.iana.org/domains/root/db/bw.html<https://protect-za.mimecast.com/s/7xVwB7IKoaKU2?domain=iana.org> 
> in
> Cc; sending to dns-operations in case anybody has a better contact.
>
> Kind regards,
> --
> Peter van Dijk
> PowerDNS.COM BV - 
> https://www.powerdns.com/<https://protect-za.mimecast.com/s/E70NB5F2a32ca?domain=powerdns.com>


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