Re: [DNSOP] lotsa TLDs, was One Chair's comments on draft-wessels-dns-zone-digest

"John Levine" <johnl@taugh.com> Tue, 31 July 2018 16:04 UTC

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From: John Levine <johnl@taugh.com>
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Subject: Re: [DNSOP] lotsa TLDs, was One Chair's comments on draft-wessels-dns-zone-digest
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In article <yblmuu74isv.fsf@w7.hardakers.net> you write:
>Yes, huge zones like .com and similar are not possible.  But there are
>many other TLDs that likely are possible to pre-cache and serve locally.

I have most of the TLD zone files that it is possible to get.  They're
all gzipped so if you wanted to estimate the uncompressed master file
sizes, multiply these sizes by about 3.

The smallest from CZDS is 1.4K, the largest are .top (599M), .net
(262M), and .org (260M).  The median is under 4K.  All but 11 are
under 20M.

For the ones you get other ways, .com is huge at 2.7G, then .info (110M), .biz (37M),
.us (30M), and a handful of forgettable ones under 5M.

So, yeah, there are plenty of TLDs you could pre-cache if you wanted
to.  CZDAP downloads come from a web server that ICANN currently hosts
directly but could move to a CDN if the demand got large enough.

R's,
John