On 09/10/2014 12:24, IDS Submit wrote:
Good morning, I have BIND 9.10.1 x86 and I have error on query swupdl.adobe.com ------------------------------------------------------------------ > swupdl.adobe.com Server: dns1.ids.it Address: 81.174.15.142*** dns1.ids.it non รจ in grado di trovare swupdl.adobe.com: Non-existent domain------------------------------------------------------------------
See below...
It looks like adobe are entertaining use of a CNAME chain (a CNAME to a CNAME which points to a CNAME which points to a CNAME which eventually points to an A record).;; ANSWER SECTION: swupdl.adobe.com. 5274 IN CNAME swupdl.wip4.adobe.com.swupdl.wip4.adobe.com. 67 IN CNAME swupdl.adobe.com.edgesuite.net.swupdl.adobe.com.edgesuite.net. 794 IN CNAME a1577.d.akamai.net. a1577.d.akamai.net. 19 IN A 2.18.240.203 a1577.d.akamai.net. 19 IN A 2.18.240.210
I expect that the upstream server to dns1.ids.it doesn't implement this level of recursion and as such doesn't return the full details.
Thanks -- Regards, Giles Coochey, CCNP, CCNA, CCNAS NetSecSpec Ltd +44 (0) 8444 780677 +44 (0) 7584 634135 http://www.coochey.net http://www.netsecspec.co.uk gi...@coochey.net
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