1 / 10
Lookups
0
Issues
458,755
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
Terms
ip4:
23.111.136.182 / 32
pass
if the sender's IP is between
23.111.136.182 and 23.111.136.182 (inclusive).
23.111.136.182 and 23.111.136.182 (inclusive).
HIVELOCITY
AS29802
or else
ip4:
23.111.175.178 / 32
pass
if the sender's IP is between
23.111.175.178 and 23.111.175.178 (inclusive).
23.111.175.178 and 23.111.175.178 (inclusive).
HIVELOCITY
AS29802
or else
ip4:
199.231.166.178 / 32
pass
if the sender's IP is between
199.231.166.178 and 199.231.166.178 (inclusive).
199.231.166.178 and 199.231.166.178 (inclusive).
HIVELOCITY
AS29802
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 ip4:23.111.136.182 ip4:23.111.175.178 ip4:199.231.166.178 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