[dns-operations] Operational update for .com/.net name servers

[Shane Kerr]

Matt,

At 2017-06-22 18:45:03 +0000
"Weinberg, Matt" <mweinberg at verisign.com> wrote:

> Verisign announces that as of June 22, 2017 all authoritative name servers for the .com and .net zones have published IPv6 addresses:
> a.gtld-servers.net.     86400   IN      AAAA    2001:503:a83e::2:30
> b.gtld-servers.net.     86400   IN      AAAA    2001:503:231d::2:30
> c.gtld-servers.net.     86400   IN      AAAA    2001:503:83eb::30
> d.gtld-servers.net.     86400   IN      AAAA    2001:500:856e::30
> e.gtld-servers.net.     86400   IN      AAAA    2001:502:1ca1::30
> f.gtld-servers.net.     86400   IN      AAAA    2001:503:d414::30
> g.gtld-servers.net.     86400   IN      AAAA    2001:503:eea3::30
> h.gtld-servers.net.     86400   IN      AAAA    2001:502:8cc::30
> i.gtld-servers.net.     86400   IN      AAAA    2001:503:39c1::30
> j.gtld-servers.net.     86400   IN      AAAA    2001:502:7094::30
> k.gtld-servers.net.     86400   IN      AAAA    2001:503:d2d::30
> l.gtld-servers.net.     86400   IN      AAAA    2001:500:d937::30
> m.gtld-servers.net.     86400   IN      AAAA    2001:501:b1f9::30

Very cool!

> If you have any questions, please contact Verisign's customer service at info at verisign-grs.com<mailto:info at verisign-grs.com>.

I could contact Versign's customer service, but I think I'll just ask
here. ;)

What kind of mapping is there between the IPv4 and IPv6 addresses for
any given letter? Strictly 1-to-1?

Also, does each site have both IPv4 and IPv6, or is it possible for a
letter to only have IPv4 (or IPv6 in theory) at some locations?

Cheers,

--
Shane
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