2 / 10
Lookups
0
Issues
459,266
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:202.37.100.0/23 ip6:2406:e000:0:151::/64 mx include:spf.protection.outlook.com ~all
Copied
Terms
ip4:
202.37.100.0 / 23
pass
if the sender's IP is between
202.37.100.0 and 202.37.101.255 (inclusive).
202.37.100.0 and 202.37.101.255 (inclusive).
2degrees Networks
AS23655
or else
ip6:
2406:e000:0:151:: / 64
pass
if the sender's IP is between
2406:e000:0:151:: and 2406:e000:0:151:ffff:ffff:ffff:ffff (inclusive).
2406:e000:0:151:: and 2406:e000:0:151:ffff:ffff:ffff:ffff (inclusive).
2degrees Networks
AS23655
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
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
soft fail
the email's SPF check.
Included records
v=spf1 ip4:202.37.100.0/23 ip6:2406:e000:0:151::/64 mx include:spf.protection.outlook.com ~all
6 x ip4 5 x ip6 -all
IP ranges
2406:e000:0:151::
/ 64
2degrees Networks
AS23655
2406:e000:0:151::
2406:e000:0:151: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