2 / 10
Lookups
0
Issues
458,761
IPv4 addresses
2.20 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.mxguardian.net include:spf.protection.outlook.com -all
Copied
Terms
include:
spf.mxguardian.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
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
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.mxguardian.net include:spf.protection.outlook.com -all
9 x ip4 1 x ip6
6 x ip4 5 x ip6 -all
IP ranges
Amazon.com
AS14618
2600:1f18:260a:1a00::
2600:1f18:260a:1aff:ffff:ffff:ffff:ffff
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