alumni.cuhk.net SPF record

1 / 10 Lookups
0 Issues
458,754 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:202.45.188.46 ip4:202.45.188.50 ~all Copied

Terms

include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
202.45.188.46 / 32
pass if the sender's IP is between
202.45.188.46 and 202.45.188.46 (inclusive).
The Hong Kong Internet Exchange
AS4641
or else
ip4:
202.45.188.50 / 32
pass if the sender's IP is between
202.45.188.50 and 202.45.188.50 (inclusive).
The Hong Kong Internet Exchange
AS4641
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 include:spf.protection.outlook.com ip4:202.45.188.46 ip4:202.45.188.50 ~all
6 x ip4 5 x ip6 -all

IP ranges

40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075
202.45.188.46
The Hong Kong Internet Exchange
AS4641
202.45.188.50
The Hong Kong Internet Exchange
AS4641