[dns-wg] Improvements to the RIPE NCC DNS provisioning infrastructure

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Dear colleagues,

The RIPE NCC is improving the resiliency of our DNS infrastructure
by introducing multiple provisioning and distribution servers.

One of the services we provide is secondary DNS for large reverse
DNS zones. LIRs request this by adding "ns.ripe.net" to the
"nserver:" attribute of their domain objects. Our provisioning
system then automatically configures the server ns.ripe.net as a
secondary for the reverse zone in that domain object.

However, ns.ripe.net is not a single physical server. It provides
DNS service from several servers using BGP anycast. For this
reason, we have separate hidden distribution servers. If you are
using this service, you will need to update your configuration.
You will need to change your DNS server access control lists,
notify settings and firewall settings. Please allow the following
two new name servers to transfer your reverse DNS zone(s):

193.0.19.190 / 2001:67c:2e8:11::c100:13be
93.175.159.250 / 2001:67c:2d7c:66::53

Additionally, if you would like ns.ripe.net to update promptly,
then please send notify messages to the above four addresses.

Note that any notify messages sent directly to the addresses of
ns.ripe.net will not be seen. Also, we do NOT support any
non-standard configurations (such as port numbers other than 53,
TSIG keys and so on).

Please update your configuration by 31 July 2015. This is the
date when we’ll retire the old server.

If you have any questions, please send an email to <dns at ripe.net>

Regards,

Anand Buddhdev
RIPE NCC
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