[dns-operations] .ARPA Zone DNSSEC Operational Update -- ZSK length change

Arsen STASIC arsen.stasic at univie.ac.at
Mon Jul 15 12:29:22 UTC 2019


Thanks for clarification!
I wasn't aware of this difference and how it affects responses, but now it 
absolutely makes sense to me.

cheers
-arsen

* Wessels, Duane <dwessels at verisign.com> [2019-07-11 17:14 (+0000)]:
>Whereas ARPA uses NSEC, .NET uses NSEC3.  The key length was selected to keep responses below fragmentation limits.
>
>DW
>
>
>> On Jul 11, 2019, at 12:35 AM, Arsen STASIC <arsen.stasic at univie.ac.at> wrote:
>>
>> Hi Duane,
>>
>> why are you going to increase .NET KSK just to 1280 bits and not to 2048 bits as in .ARPA?
>>
>> cheers
>> -arsen
>>
>> * Wessels, Duane <dwessels at verisign.com> [2019-07-10 02:12 (+0000)]:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA256
>>>
>>>
>>> All,
>>>
>>> Verisign is in the process of increasing the size and strength of
>>> the DNSSEC Zone Signing Keys (ZSKs) for the top-level domains that
>>> it operates.  As part of this process, the ZSK for the .ARPA zone
>>> will be increased in size from 1024 to 2048 bits.
>>>
>>> On July 11, 2019 the 2048 bit ZSK will be pre-published in the .ARPA
>>> zone.  On July 21, the .ARPA zone will be signed with the 2048 bit
>>> ZSK.  On August 10, the 1024 bit ZSK will be removed from the zone.
>>>
>>> We do not anticipate any problems from this upgrade.  In accordance
>>> with our normal operating procedures we have a rollback process
>>> should it become necessary to revert to the 1024 bit ZSK.
>>>
>>> DW
>>>
>>> -----BEGIN PGP SIGNATURE-----
>>> Version: GnuPG v2.0.22 (GNU/Linux)
>>>
>>> iQEcBAEBCAAGBQJdJQifAAoJEGyZpGmowJiNxjcH/3a+ox9KyGAT5vnrcxfEYYIQ
>>> X2iQ0dSEBCv9JPNwTnKkV2U2xzG3uZb6LHjq9tihtA4M04IaMvlLnZMUFUyGgzrl
>>> ACvn6j9qCE0q7sgDGo/RNWXBsAd58mKgBVMMRCBR6AklDHVA+grEH2CwDwP0eGYZ
>>> 8dy6Cf94jqXqiVDQIxoK31YhYFqNVRhZE4f72V+6lh1fg4GrsfXKeErYwQooxdYT
>>> 91H9TmffWmEpG+eYdgWMOPPS+nsrDr/MAuSVD0t5hT8H/HrCo45MNxxskmwLg0Ni
>>> QAHgy5Ao2jgJj6MkzZdwjldM8mn5YzMegiHUF9R5W5TRlnNm7uGTU32Irzu7b/8=
>>> =lJK6
>>> -----END PGP SIGNATURE-----
>>>
>>
>>
>




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