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Re: Advisory — D-root is changing its IPv4 address on the 3rd of January.
- Subject: Re: Advisory — D-root is changing its IPv4 address on the 3rd of January.
- From: jabley at hopcount.ca (Joe Abley)
- Date: Thu, 3 Jan 2013 11:38:44 -0500
- In-reply-to: <[email protected]>
- References: <[email protected]> <CAN2EnhA_yps8dOmNSk=hi60djJUVyQ3tP3TESKWRHZ72xVWtUQ@mail.gmail.com> <[email protected]>
On 2012-12-18, at 11:15, David Conrad <drc at virtualized.org> wrote:
> WRT the root _hints_ change, setting up a cron job to pull, verify, and install the root hints file periodically (once a month should probably be sufficient) would probably be a good idea.
This change appears to have been completed, as of root zone serial 2013010300:
[krill:~]% host d.root-servers.net
d.root-servers.net has address 199.7.91.13
d.root-servers.net has IPv6 address 2001:500:2d::d
[krill:~]%
[krill:~]% curl -s ftp://rs.internic.net/domain/named.root | fgrep D.ROOT
. 3600000 NS D.ROOT-SERVERS.NET.
D.ROOT-SERVERS.NET. 3600000 A 199.7.91.13
D.ROOT-SERVERS.NET. 3600000 AAAA 2001:500:2D::D
[krill:~]%
The authoritative location of the root hints file is <ftp://rs.internic.net/domain/named.root> and those who feel like being tidy DNS admins could pull a fresh copy from there so that the next time their nameserver is restarted it will prime optimally.
As discussed at some length before, those who prefer to be more hands-off about this will very likely see no negative impact from their laziness.
Joe