[AusNOG] What's even less popular than IPv6? DNSSEC!

Mark Andrews marka at isc.org
Wed May 25 09:08:42 EST 2016


In message <aa47e0d3-9fed-84a2-63d0-7e0e63193d11 at mrp.net>, Mark Prior writes:
> On 24/05/2016 22:42, Chris Jones wrote:
> >
> >> On 24 May 2016, at 9:20 PM, Mark Prior <mrp at mrp.net> wrote:
> >>
> >> I've added a test for DNSSEC deployment to my existing IPv6 survey and
> >> it's not pretty. Looking at the section that lists the organisations
> >> that attended AusNOG2 shows no organisations (aside from me) using
> >> DNSSEC on their domain and other sections are just as bare.
> >>
> >> <http://www.mrp.net/ipv6_survey/#ausnog>
> >>
> >> The obvious question is why isn't DNSSEC being deployed?
> >
> > Weve had trouble with registrars and DNSSEC support.  A bunch (*
> non-scientific research here) of them simply dont support it, or support
> it via manual processes.
> >
> > You thought ipv6 glue records were a pain, try getting DS records
> rotated...
> >
> I haven't tried rotating the DS records but I've used both Gandi and
> GoDaddy and they've been relatively painless system to install the DS.
>
> My survey page identifies sites that have signed elements within their
> zone but not completed the chain of trust (tagged as TRUST), which you
> could do without dealing with your parent zone, and that doesn't show
> much activity.

DNS as a whole is poorly supported.  Lot of absolutely non RFC complaint
garbage being used today.  From my EDNS compliance checking results.

Of servers that responded at all:
6747 of 6779 (99.53%) responded to a EDNS version 0 query 
6728 of 6779 (99.25%) responded to a EDNS unknown option 
6687 of 6779 (98.64%) responded to a EDNS unknown flags 
4889 of 6779 (72.12%) responded to a EDNS version 1 query 
4883 of 6779 (72.03%) responded to a EDNS unknown version and option

6613 of 6779 (97.55%) of nameservers support EDNS 
3756 of 6613 (56.80%) EDNS capable servers are all ok 
4216 of 6613 (63.75%) EDNS capable servers support unknown EDNS versions 
6106 of 6613 (92.33%) EDNS capable servers support unknown EDNS options 
6273 of 6613 (94.86%) EDNS capable servers support unknown EDNS flags 
3935 of 6613 (59.50%) EDNS capable servers support unknown EDNS version and options 
6561 of 6613 (99.21%) EDNS capable servers support DO=1

3007 of 6613 (45.47%) EDNS capable servers return a NSID option 
311 of 6613 (4.70%) EDNS capable servers return a EXPIRE option 
2815 of 6613 (42.57%) EDNS capable servers return a SUBNET option 
8 of 6613 (0.12%) EDNS capable servers return a Server EDNS COOKIE option 

https://ednscomp.isc.org/compliance/au-report.html

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


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