1 / 10
Lookups
0
Issues
462,848
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:91.135.64.0/20 include:spf.protection.outlook.com -all
Copied
Terms
ip4:
91.135.64.0 / 20
pass
if the sender's IP is between
91.135.64.0 and 91.135.79.255 (inclusive).
91.135.64.0 and 91.135.79.255 (inclusive).
Computerline
AS41913
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 ip4:91.135.64.0/20 include:spf.protection.outlook.com -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