[Yeti DNS Discuss] Fwd: [dns-wg] Advance notice - H-root address change on December 1, 2015
antonio at prado.it
Mon Aug 31 17:03:53 UTC 2015
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Subject: [dns-wg] Advance notice - H-root address change on December
Date: Mon, 31 Aug 2015 16:39:31 +0000
From: Kash, Howard M CIV USARMY RDECOM ARL (US)
<howard.m.kash.civ at mail.mil>
To: dns-wg at ripe.net <dns-wg at ripe.net>
This is advance notice that there is a scheduled change to the IP
for one of the authorities listed for the DNS root zone and the .ARPA TL
The change is to H.ROOT-SERVERS.NET, which is administered by the U.S.
The new IPv4 address for this authority is 220.127.116.11.
The new IPv6 address for the authority is 2001:500:1::53.
This change is anticipated to be implemented in the root zone on 1
2015, however the new addresses are operational now. They will replace t
previous IP addresses of 18.104.22.168 and 2001:500:1::803f:235 (also
previously known as AOS.BRL.MIL and AOS.ARL.ARMY.MIL).
We encourage operators of DNS infrastructure to update any references
old IP addresses and replace them with the new addresses. In particular,
many DNS resolvers have a DNS root "hints" file. This should be
the new IP addresses.
New hints files will be available at the following URLs once the
been formally executed on December 1:
The old IPv4 address will continue to work for six months after the
transition (until 1 June 2016), at which point it will be retired from
service. The address will remain under the control of the Army Research
Laboratory, never to be used again for DNS service. The old IPv6 addres
will continue to work indefinitely, but may ultimately be retired from
Simultaneous to the retirement of the old address on June 1, 2016, the
ASN for H-root will change from 13 to 1508.
You can monitor the transition of queries to the new addresses at the
U.S. Army Research Laboratory
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