2 / 10
Lookups
0
Issues
459,880
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com mx ip4:216.187.65.0/24 ip4:76.74.208.0/24 ip4:38.84.137.0/25 ip4:38.127.81.0/25 ip4:4.53.194.64/26 ip4:204.187.63.128/27 ip4:38.88.86.0/24 -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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
8 IPv4 addresses
8 IPv6 addresses
or else
ip4:
216.187.65.0 / 24
pass
if the sender's IP is between
216.187.65.0 and 216.187.65.255 (inclusive).
216.187.65.0 and 216.187.65.255 (inclusive).
Concord Technologies
AS15197
or else
ip4:
76.74.208.0 / 24
pass
if the sender's IP is between
76.74.208.0 and 76.74.208.255 (inclusive).
76.74.208.0 and 76.74.208.255 (inclusive).
Concord Technologies
AS15197
or else
ip4:
38.84.137.0 / 25
pass
if the sender's IP is between
38.84.137.0 and 38.84.137.127 (inclusive).
38.84.137.0 and 38.84.137.127 (inclusive).
Cogent Communications
AS174
or else
ip4:
38.127.81.0 / 25
pass
if the sender's IP is between
38.127.81.0 and 38.127.81.127 (inclusive).
38.127.81.0 and 38.127.81.127 (inclusive).
Cogent Communications
AS174
or else
ip4:
4.53.194.64 / 26
pass
if the sender's IP is between
4.53.194.64 and 4.53.194.127 (inclusive).
4.53.194.64 and 4.53.194.127 (inclusive).
Level 3 Parent
AS3356
or else
ip4:
204.187.63.128 / 27
pass
if the sender's IP is between
204.187.63.128 and 204.187.63.159 (inclusive).
204.187.63.128 and 204.187.63.159 (inclusive).
NetAccess Systems
AS25946
or else
ip4:
38.88.86.0 / 24
pass
if the sender's IP is between
38.88.86.0 and 38.88.86.255 (inclusive).
38.88.86.0 and 38.88.86.255 (inclusive).
Cogent Communications
AS174
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com mx ip4:216.187.65.0/24 ip4:76.74.208.0/24 ip4:38.84.137.0/25 ip4:38.127.81.0/25 ip4:4.53.194.64/26 ip4:204.187.63.128/27 ip4:38.88.86.0/24 -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