Why doesn't "Cloudflare 1.1.1.1" compress root answers?
Anurag Bhatia
me at anuragbhatia.com
Thu Apr 5 20:22:55 UTC 2018
Hi Bjørn
Never realised of such compression on answered. Is this is something well
documented? Curious.
Thanks for sharing.
On Wed, Apr 4, 2018 at 1:30 AM, Bjørn Mork <bjorn at mork.no> wrote:
> At first I thought they had disabled compression:
>
> bjorn at miraculix:~$ dig . ns @1.1.1.1|grep SIZE
> ;; MSG SIZE rcvd: 431
> bjorn at miraculix:~$ dig . ns @8.8.8.8|grep SIZE
> ;; MSG SIZE rcvd: 239
> bjorn at miraculix:~$ dig . ns @9.9.9.9|grep SIZE
> ;; MSG SIZE rcvd: 239
>
>
> But then I noticed that they *do* compress other names:
>
> bjorn at miraculix:~$ dig net ns @1.1.1.1|grep SIZE
> ;; MSG SIZE rcvd: 253
> bjorn at miraculix:~$ dig net ns @8.8.8.8|grep SIZE
> ;; MSG SIZE rcvd: 253
> bjorn at miraculix:~$ dig net ns @9.9.9.9|grep SIZE
> ;; MSG SIZE rcvd: 253
>
>
> Which just makes it even more confusing. What's so special about root?
> Except for the obvious :-)
>
>
>
> Bjørn
>
>
--
Anurag Bhatia
anuragbhatia.com
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