this post was submitted on 23 Oct 2023
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IPv6

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DNS service with 4-digit IPv6 addresses (2a09:: and 2a11::) (github.com)
submitted 1 year ago by [email protected] to c/ipv6
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The only other example I'm aware of is dns.nic.in with 2409::

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[–] TCB13 3 points 1 year ago (1 children)

Well quad9 isn't that bad:

Primary DNS: 2620:fe::fe Secondary DNS: 2620:fe::9

[–] [email protected] 3 points 1 year ago

That's 75% more digits and 50% more colons.

[–] 22decembre 1 points 1 year ago

best I know is 2600::1 and 2600::2

[–] [email protected] 1 points 1 year ago

This is very interesting. One of the reasons I like nextdns is because of the relatively short addresses. 2a07:a8c0:: and 2a07:a8c1:: but this is even shorter. I always felt like sprint should've put a DNS service on 2600:: feels like such a waste not to.

[–] cellardoor 1 points 11 months ago

If you ever need an easy one to test for E2E IPv6 connectivity then 2600:: works too. Useful to remember.