1 / 10
Lookups
0
Issues
458,758
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:156.106.192.20/30 ip4:156.106.192.38/31 include:spf.protection.outlook.com -all
Copied
Terms
ip4:
156.106.192.20 / 30
pass
if the sender's IP is between
156.106.192.20 and 156.106.192.23 (inclusive).
156.106.192.20 and 156.106.192.23 (inclusive).
International Telecommunication Union
AS8414
or else
ip4:
156.106.192.38 / 31
pass
if the sender's IP is between
156.106.192.38 and 156.106.192.39 (inclusive).
156.106.192.38 and 156.106.192.39 (inclusive).
International Telecommunication Union
AS8414
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 ip4:156.106.192.20/30 ip4:156.106.192.38/31 include:spf.protection.outlook.com -all
6 x ip4 5 x ip6 -all
IP ranges
156.106.192.20
/ 30
International Telecommunication Union
AS8414
156.106.192.20 - 156.106.192.23
4 IP addresses
156.106.192.38
/ 31
International Telecommunication Union
AS8414
156.106.192.38 - 156.106.192.39
2 IP addresses
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