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Re: [DNSOP] HTTPS/SVCB on Cloudflare DNS

Mark Andrews <marka@isc.org> Thu, 16 July 2020 15:37 UTC

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From: Mark Andrews <marka@isc.org>
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Date: Fri, 17 Jul 2020 01:37:35 +1000
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To: Alessandro Ghedini <alessandro@ghedini.me>
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Subject: Re: [DNSOP] HTTPS/SVCB on Cloudflare DNS
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Do you have a estimate on when you will enable additional section processing for these records?

> 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
> 
> _______________________________________________
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> 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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