smtp3.arsalon.net SPF record

1 / 10 Lookups
0 Issues
464,896 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:204.13.96.0/21 ip4:208.74.96.0/21 ip4:208.89.112.0/21 -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:
204.13.96.0 / 21
pass if the sender's IP is between
204.13.96.0 and 204.13.103.255 (inclusive).
DataBank Holdings
AS13767
or else
ip4:
208.74.96.0 / 21
pass if the sender's IP is between
208.74.96.0 and 208.74.103.255 (inclusive).
DataBank Holdings
AS13767
or else
ip4:
208.89.112.0 / 21
pass if the sender's IP is between
208.89.112.0 and 208.89.119.255 (inclusive).
or else
-all
fail the email's SPF check.

Included records

v=spf1 include:spf.protection.outlook.com ip4:204.13.96.0/21 ip4:208.74.96.0/21 ip4:208.89.112.0/21 -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
204.13.96.0 / 21
DataBank Holdings
AS13767
208.74.96.0 / 21
DataBank Holdings
AS13767
208.89.112.0 / 21