1 / 10
Lookups
0
Issues
458,756
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:171.17.131.35 ip4:82.150.225.79 ip4:171.17.133.140 ip4:194.116.128.11 -all
Copied
Terms
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
171.17.131.35 / 32
pass
if the sender's IP is between
171.17.131.35 and 171.17.131.35 (inclusive).
171.17.131.35 and 171.17.131.35 (inclusive).
Amadeus
AS12888
or else
ip4:
82.150.225.79 / 32
pass
if the sender's IP is between
82.150.225.79 and 82.150.225.79 (inclusive).
82.150.225.79 and 82.150.225.79 (inclusive).
Amadeus
AS12888
or else
ip4:
171.17.133.140 / 32
pass
if the sender's IP is between
171.17.133.140 and 171.17.133.140 (inclusive).
171.17.133.140 and 171.17.133.140 (inclusive).
Amadeus
AS12888
or else
ip4:
194.116.128.11 / 32
pass
if the sender's IP is between
194.116.128.11 and 194.116.128.11 (inclusive).
194.116.128.11 and 194.116.128.11 (inclusive).
Equinix (EMEA) Acquisition Enterprises
AS15830
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:171.17.131.35 ip4:82.150.225.79 ip4:171.17.133.140 ip4:194.116.128.11 -all
6 x ip4 5 x ip6 -all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff