Can someone from Microsoft please contact me off-list?  We have been noticing a 
few odd behaviors regarding some Microsoft domains.

Specifically, the TTL of the various address records for the NS-set for 
microsoft.com are/were not consistent:

;; ADDITIONAL SECTION:
ns1.msft.net.   2480    IN  A     65.55.37.62
ns1.msft.net.   42936   IN  AAAA  2a01:111:2005::1:1
ns2.msft.net.   2480    IN  A     64.4.59.173
ns2.msft.net.   42936   IN  AAAA  2a01:111:2006:6::1:1
ns3.msft.net.   2480    IN  A     213.199.159.59
ns3.msft.net.   42936   IN  AAAA  2a01:111:2020::1:1
ns4.msft.net.   2480    IN  A     207.46.75.254
ns4.msft.net.   42936   IN  AAAA  2404:f800:2003::1:1
ns5.msft.net.   2480    IN  A     65.55.226.140
ns5.msft.net.   42936   IN  AAAA  2a01:111:200f:1::1:1

Mark K. Pettit
DNS Engineer
Yahoo!, Inc.

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