So who is correctly rejecting DS at top of zone at load time? There is no way to query for this RRset.
> On 11 Mar 2021, at 06:29, Peter van Dijk <peter.van.d...@powerdns.com> wrote: > > On Wed, 2021-03-10 at 16:44 +0000, Matthew Richardson wrote: >> 9qbq9dd8lt1gvge9gdmb5m0o13iuqeqt.prv.se: type NSEC3, class IN >>> Name: 9qbq9dd8lt1gvge9gdmb5m0o13iuqeqt.prv.se > > Which is the NSEC3 hash of 'prv.se.', > >>> Type: NSEC3 (50) >>> Class: IN (0x0001) >>> Time to live: 3600 >>> Data length: 43 >>> Hash algorithm: SHA-1 (1) >>> NSEC3 flags: 0 >>> .... ...0 = NSEC3 Opt-out flag: Additional insecure >>> delegations forbidden >>> NSEC3 iterations: 50 >>> Salt length: 8 >>> Salt value: 33e9285ab62c0803 >>> Hash length: 20 >>> Next hashed owner: 4f848f41f3884a3fc412e821e031cdd8b9a48eca >>> RR type in bit map: A (Host Address) >>> RR type in bit map: NS (authoritative Name Server) >>> RR type in bit map: SOA (Start Of a zone of Authority) >>> RR type in bit map: MX (Mail eXchange) >>> RR type in bit map: TXT (Text strings) >>> RR type in bit map: DS(Delegation Signer) > > which apparently has a DS at the apex of the child zone, which is > somewhere between 'useless' and 'wrong'. > >>> RR type in bit map: RRSIG >>> RR type in bit map: DNSKEY >>> RR type in bit map: NSEC3PARAM > > Combined with > >> 10-Mar-2021 16:20:11.606 dnssec: info: validating _dmarc.prv.se/TXT: > bad cache hit (_dmarc.prv.se/DS) > > My vague suspicion is that BIND is flagging this as an impossible > situation, because a DS should live in the parent, and only in the > parent. > > I recall isc.org 'recently' had a DS at the apex of the child zone; I > wonder if after ISC removed that, they made BIND, as a validator, > stricter about it when detected. > > Kind regards, > -- > Peter van Dijk > PowerDNS.COM BV - https://www.powerdns.com/ > > _______________________________________________ > dns-operations mailing list > dns-operations@lists.dns-oarc.net > https://lists.dns-oarc.net/mailman/listinfo/dns-operations -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ dns-operations mailing list dns-operations@lists.dns-oarc.net https://lists.dns-oarc.net/mailman/listinfo/dns-operations