Hi Tony, We try to solve similar wildcard problem.
NSEC/NSEC3 aggressiveuse (Section 5.3 Wildcards <https://tools.ietf.org/html/draft-ietf-dnsop-nsec-aggressiveuse-10#page-6>) : - NSEC/NSEC3 RR: give "NOT EXIST SUBDOMAIN" information. - cached deduced wildcard: give the default wildcard RR. SWILD: - Directly give "ALL SUBDOMAIN" information, and the default wildcard RR. SWILD is applicable even when Authoritative Nameservers don't give NSEC/NSEC3 RR. SWILD is applicable on non-validating Forwarding Resolvers. Regards, Tony Finch <d...@dotat.at>于2017年7月3日周一 下午8:18写道： > Lanlan Pan <abby...@gmail.com> wrote: > > > > This document specifies a new SWILD RR type for Intermediate Nameservers > to > > cache subdomain wildcard record, in order to reduce the cache size and > > optimize the wildcard domain cache miss. > > Isn't this functionality already provided by > https://tools.ietf.org/html/draft-ietf-dnsop-nsec-aggressiveuse ? > > Tony. > -- > f.anthony.n.finch <d...@dotat.at> http://dotat.at/ - I xn--zr8h > punycode > Fitzroy: Variable 4 for a time in north, otherwise northeasterly becoming > cyclonic 5 to 7. Slight or moderate. Occasional rain. Moderate, > occasionally > poor. > -- 致礼 Best Regards 潘蓝兰 Pan Lanlan
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