ENUM order value question! ? :)

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ENUM order value question! ? :)

Jonathan Hunter

Hi Guys,

I wondered if anyone had seen similar results to me or if I need to reconfigure anything.

Essentially Im using Power dns 

dig command to the power dns ENUM server returns results in order value;


8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 74 3 "U" "E2U+sip" "!^(.*)$!sip:*241*\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 76 13 "U" "E2U+sip" "!^(.*)$!sip:*311*+\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 89 49 "U" "E2U+sip" "!^(.*)$!sip:*421*\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 109 48 "U" "E2U+sip" "!^(.*)$!sip:*381*+\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 216 2 "U" "E2U+sip" "!^(.*)$!sip:*205*00\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 728 49 "U" "E2U+sip" "!^(.*)$!sip:*421*\\1@1.2.3.4!" .
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip 120 IN NAPTR 1050 3 "U" "E2U+sip" "!^(.*)$!sip:*241*\\1@1.2.3.4!" .


However when capturing in wireshark on the wire I can see the answers sections returns in summary as;


8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 89, preference 49, flags U
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 109, preference 48, flags U
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 728, preference 49, flags U
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 216, preference 2, flags U
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 1050, preference 3, flags U
8.3.4.0.9.1.7.1.9.7.4.4.e164.sip: type NAPTR, class IN, order 74, preference 3, flags U


Can powerdns send out in the DNS response packet with an ordered by order value Answer section?  As my stored procedure does it from a MySQL sense but not when populating the DNS response, is this configurable?

Or is it purely left to the client to order and select accordingly?

Merry Christmas to you all :)

Thanks

Jon


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