2 / 10
Lookups
0
Issues
479,811
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:4.33.222.254 ip4:4.33.222.253 include:spf.protection.outlook.com include:mktomail.com -all
Copied
Terms
ip4:
4.33.222.254 / 32
pass
if the sender's IP is between
4.33.222.254 and 4.33.222.254 (inclusive).
4.33.222.254 and 4.33.222.254 (inclusive).
Level 3 Parent
AS3356
or else
ip4:
4.33.222.253 / 32
pass
if the sender's IP is between
4.33.222.253 and 4.33.222.253 (inclusive).
4.33.222.253 and 4.33.222.253 (inclusive).
Level 3 Parent
AS3356
or else
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
include:
mktomail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Marketo
Marketing automation
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:4.33.222.254 ip4:4.33.222.253 include:spf.protection.outlook.com include:mktomail.com -all
6 x ip4 5 x ip6 -all
12 x ip4 ~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
