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DNS root
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Domain name
post-lu.mail.protection.outlook.com
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Email
post-lu.mail.protection.outlook.com
IP addresses
Queried
just now
View record changes
Now
2026-05-27
Queries failed
A
IPv4 address
5s
Time to live
View CLI command
Local DNS resolver
macOS
Windows
Linux
Check propagation
52.101.73.1
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
52.101.73.126
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
52.101.73.145
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
52.101.73.24
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
AAAA
IPv6 address
5s
Time to live
View CLI command
Local DNS resolver
macOS
Windows
Linux
Check propagation
2a01:111:f403:c967::8
Microsoft
AS8075
Denmark
Copenhagen, Capital Region
2a01:111:f403:ca09::4
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
2a01:111:f403:ca09::c
Microsoft
AS8075
Netherlands
Amsterdam, North Holland
2a01:111:f403:ca48::a
Microsoft
AS8075
Italy
Milan, Lombardy
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