[dns-operations] IPv6 only for nameservers
jared at puck.nether.net
Tue Dec 31 12:27:18 UTC 2019
While I would not recommend this generally there are a few of us that operate free secondary services that are dual stacked. Make sure one NS is dual stacked and you are likely fine.
Sent from my iCar
> On Dec 31, 2019, at 4:47 AM, Shane Kerr <shane at time-travellers.org> wrote:
> Stephane and all,
>> On 30/12/2019 16.01, Stephane Bortzmeyer wrote:
>> On Mon, Dec 30, 2019 at 05:18:01PM +0300,
>> Anand Buddhdev <anandb at ripe.net> wrote
>> a message of 17 lines which said:
>>> If your domain's authoritative name servers have only IPv6
>>> addresses, then your domain will not be resolvable by many resolvers
>>> on the Internet, because many of them only have IPv4 connectivity.
>> This was in 2014 but I'm not sure it changed a lot since:
> I just re-ran a similar test and got about a 71% success rate:
> While technically slightly better than 67% success rate measured 5 years ago, to me this means that running an IPv6-only name server it is basically not possible.
> I also ran a version using IPv6-enabled probes, and got an 89% success rate:
> I think that even 90% is still not good enough to allow you to run an IPv6-only name server, at least for general Internet usage. 😞
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