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Vendor
Source
Microsoft
TXT Record
Apple
TXT Record
TXT Record
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| 1979 |
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| 1980 |
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| 1981 |
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| 1982 |
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| 1983 |
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| 1984 |
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| 1985 |
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| 1986 |
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| 1987 |
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| 1988 |
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| 1989 |
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| 1990 |
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| 1991 |
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| 1992 |
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| 1993 |
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| 1994 |
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| 1995 |
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| 1996 |
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| 1997 |
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| 1998 |
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| 1999 |
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| 2000 |
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| 2001 |
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| 2002 |
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| 2003 |
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| 2004 |
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| 2005 |
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| 2006 |
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| 2007 |
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| 2008 |
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| 2009 |
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| 2010 |
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| 2011 |
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| 2012 |
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| 2013 |
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| 2014 |
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| 2015 |
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| 2016 |
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| 2017 |
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| 2018 |
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| 2019 |
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| 2020 |
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| 2021 |
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| 2022 |
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| 2023 |
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| 2024 |
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