Subject: DNAME [4.10]: Synthesized CNAME TTL=0

From: Wouter Wijngaards <[email-masked]>
Date: Thu, 12 Oct 2006 12:26:15 +0200

Issue [4.10]:
   In the original specification, all synthesized CNAME RRs had a TTL of
   0.  Due to DNSSEC TTL=0 interpretation had to be changed to mean
   "keep as long as the query using this RRset is still being
   processed".  What is the status of this CNAME?

   This could be synthesized CNAMEs should have a TTL equal to the TTL
   of the DNAME.  This allows non-aware clients to cache the CNAMEs and
   thus lightens the load on authoritative servers.

Best regards,
   Wouter

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