[dns-operations] Limit on Name Servers & their IPs for a sub-domain
Rubens Kuhl
rubensk at nic.br
Fri Jan 12 23:56:21 UTC 2018
> On 12 Jan 2018, at 10:06, James Stevens <James.Stevens at jrcs.co.uk> wrote:
>
> On 12/01/18 01:19, George Michaelson wrote:
>> 11 servers. 11 labels. 11 named entities, each with a single IPv6 binding..
>
> In a world of IPv6 only, then can't you also safely assume an end-to-end MTU of 1280 and EDNS0 support - so would 11 still be the magic number?
>
Only if the servers are of the *.root-servers.net <http://root-servers.net/> format. They could be *.root-servers or *.root or *.rz or *.r and then a different number of them would fit into a given MTU, whether 512 or 1280.
Rubens
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