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Re: [DNSOP] HTTPS/SVCB on Cloudflare DNS

Alessandro Ghedini <alessandro@ghedini.me> Thu, 16 July 2020 17:26 UTC

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Date: Thu, 16 Jul 2020 18:26:04 +0100
From: Alessandro Ghedini <alessandro@ghedini.me>
To: Mark Andrews <marka@isc.org>
Cc: dnsop@ietf.org
Message-ID: <20200716172604.GA65961@wakko.flat11.house>
References: <20200716151356.GA60024@wakko.flat11.house> <18174930-D601-462A-BB4E-E994DB2EB4B9@isc.org>
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Subject: Re: [DNSOP] HTTPS/SVCB on Cloudflare DNS
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On Fri, Jul 17, 2020 at 01:37:35AM +1000, Mark Andrews wrote:
> Do you have a estimate on when you will enable additional section processing for these records?

Not sure I understand the question. Do you mean authoritative servers adding
A/AAAA records to additional section of HTTPS responses?

Cheers


> 
> > On 17 Jul 2020, at 01:13, Alessandro Ghedini <alessandro@ghedini.me> wrote:
> > 
> > Hello,
> > 
> > Just a quick note that we have started serving "HTTPS" DNS records from
> > Cloudflare's authoritative DNS servers. Our main use-case right now is
> > advertising HTTP/3 support for those customers that enabled that feature (in
> > addition to using Alt-Svc HTTP headers).
> > 
> > If anyone is interested in trying this out you can query pretty much all domains
> > served by Cloudflare DNS for which we terminate HTTP.
> > 
> > For example:
> > 
> >   % dig blog.cloudflare.com type65
> > 
> >  ; <<>> DiG 9.16.4-Debian <<>> blog.cloudflare.com type65
> >  ;; global options: +cmd
> >  ;; Got answer:
> >  ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17291
> >  ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
> > 
> >  ;; OPT PSEUDOSECTION:
> >  ; EDNS: version: 0, flags:; udp: 4096
> >  ;; QUESTION SECTION:
> >  ;blog.cloudflare.com.		IN	TYPE65
> > 
> >  ;; ANSWER SECTION:
> >  blog.cloudflare.com.	300	IN	TYPE65	\# 76 000100000100150568332D32390568332D32380568332D3237026832 0004000868121A2E68121B2E00060020260647000000000000000000 68121A2E26064700000000000000000068121B2E
> > 
> > Cheers
> > 
> > _______________________________________________
> > DNSOP mailing list
> > DNSOP@ietf.org
> > https://www.ietf.org/mailman/listinfo/dnsop
> 
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742              INTERNET: marka@isc.org
>

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