Re: [DNSOP] DS records and validating resolvers
Tony Finch <dot@dotat.at> Thu, 14 July 2016 16:33 UTC
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Date: Thu, 14 Jul 2016 17:33:25 +0100
From: Tony Finch <dot@dotat.at>
To: Einar Bjarni Halldórsson <einar@isnic.is>
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Subject: Re: [DNSOP] DS records and validating resolvers
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Einar Bjarni Halldórsson <einar@isnic.is> wrote: > > If there are multiple DS records in a parent, with different key tags, > where only one of the DS records has a corresponding DNSKEY record in > the child zone that correctly signs the DNSKEY RRSET, will validating > resolvers ignore the other DS records or could they cause responses from > the child to become invalid? Normally any individual DS record is sufficient to authenticate the DNSKEY RRset - the others can be ignored. However if there are DS records of multiple different algorithms then at least one DS record of each algorithm must authenticate the DNSKEY RRset. Tony. -- f.anthony.n.finch <dot@dotat.at> http://dotat.at/ - I xn--zr8h punycode Humber, Thames: Northwest 4 or 5, becoming variable 3 or 4, becoming southwest 4 or 5 later. Slight or moderate, occasionally smooth. Fair. Good.
- Re: [DNSOP] DS records and validating resolvers Tony Finch
- Re: [DNSOP] DS records and validating resolvers Ólafur Guðmundsson
- [DNSOP] DS records and validating resolvers Einar Bjarni Halldórsson