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Hi all,
The authoritative name servers for trafficmanager.net respond
differently depending on whether the query is made over IPv4 or IPv6.
When queried over IPv4, I consistently receive the correct CNAME
pointing to main.dl.ms.akadns.net.
However, when queried over IPv6, the response is always "No Data."
I have tested all authoritative name servers for trafficmanager.net, and
the results are consistent across the board.
If someone from Microsoft is on the list, maybe you can forward this.
Analysis:
trafficmanager.net. 86400 IN NS tm1.dns-tm.com.
trafficmanager.net. 86400 IN NS tm2.dns-tm.com.
trafficmanager.net. 86400 IN NS tm1.edgedns-tm.info.
trafficmanager.net. 86400 IN NS tm2.edgedns-tm.info.
# tm1.dns-tm.com.
dig @150.171.10.240 dlc-shim.trafficmanager.net. -> CNAME
dig @2603:1061:0:f00::f0 dlc-shim.trafficmanager.net. -> No Data
# tm2.dns-tm.com.
dig @150.171.16.240 dlc-shim.trafficmanager.net. -> CNAME
dig @2620:1ec:8ec:f00::f0 dlc-shim.trafficmanager.net. -> No Data
# tm1.edgedns-tm.info.
dig @13.107.222.240 dlc-shim.trafficmanager.net. -> CNAME
dig @2a01:111:4000:f00::f0 dlc-shim.trafficmanager.net. -> No Data
# tm2.edgedns-tm.info.
dig @13.107.206.240 dlc-shim.trafficmanager.net. -> CNAME
dig @2620:1ec:bda:f00::f0 dlc-shim.trafficmanager.net. -> No Data
Kind regards,
Daniel
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