Advance notice - H-root address change on December 1, 2015
Kash, Howard M CIV USARMY RDECOM ARL (US)
howard.m.kash.civ at mail.mil
Mon Nov 16 12:30:50 UTC 2015
> -----Original Message-----
> From: NANOG [mailto:nanog-bounces at nanog.org] On Behalf Of Kash, Howard M
CIV USARMY RDECOM
> ARL (US)
> Sent: Monday, August 31, 2015 12:39 PM
> To: nanog at nanog.org
> Subject: Advance notice - H-root address change on December 1, 2015
> 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 TLD.
> The change is to H.ROOT-SERVERS.NET, which is administered by the U.S.
> Research Laboratory.
> 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 the
> 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 to
> old IP addresses and replace them with the new addresses. In particular,
> many DNS resolvers have a DNS root "hints" file. This should be updated
> the new IP addresses.
> New hints files will be available at the following URLs once the change
> 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 address
> 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
> following URL:
> Howard Kash
> U.S. Army Research Laboratory
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