ドメイン管理会社が違うから。マジレス。

1 microsoft way
redmond, WA 98052
US

Domain Name: MICROSOFT.COM

Administrative Contact:
Microsoft Hostmaster (MH37-ORG) msnhst@MICROSOFT.COM
Microsoft Corp
One Microsoft Way
Redmond, WA 98052
US
425 882 8080
Fax- - - .: 206 703 2641
Technical Contact:
MSN NOC (MN5-ORG) msnnoc@MICROSOFT.COM
Microsoft Corp
One Microsoft Way
Redmond, WA 98052
US
425 882 8080
Fax- PATH
Billing Contact:
idNames, Accounting (IA90-ORG) accounting@IDNAMES.COM
idNames from Network Solutions, Inc
440 Benmar
Suite 3325
Houston, TX 77060
US
703-742-4777
Fax- - 281-447-1160

Record last updated on 08-Jun-2001.
Record expires on 03-May-2010.
Record created on 02-May-1991.
Database last updated on 3-Oct-2001 18:06:00 EDT.

Domain servers in listed order:

DNS4.CP.MSFT.NET 207.46.138.11
DNS5.CP.MSFT.NET 207.46.138.12
DNS2.TK.MSFT.NET 207.46.232.38
DNS1.TK.MSFT.NET 207.46.232.37
DNS3.UK.MSFT.NET 213.199.144.151