BIND 10 #987: b10-auth should chase CNAME in the same zone

[BIND 10 Development]

#987: b10-auth should chase CNAME in the same zone
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            Reporter:  jinmei        |                        Owner:
                Type:  defect        |                       Status:  new
            Priority:  major         |                    Milestone:  Year
           Component:  b10-auth      |  3 Task Backlog
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 We discussed this before, and it was open at that time.

 According to a recent incident report with BIND 9, there seems to be a
 user who relies on getting the chain (at least from the same zone)
 even from an authoritative server, so we should support it.

 See: https://lists.isc.org/pipermail/bind-users/2011-May/083715.html

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Ticket URL: <http://bind10.isc.org/ticket/987>
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BIND 10 Development