1 / 10
Lookups
0
Issues
471,171
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:52.170.84.184 ip4:216.54.104.225 ip4:216.54.104.130/25 ip4:148.163.128.0/19 ip4:67.231.144.0/20 ip4:70.104.179.135 -all
Copied
Terms
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
ip4:
52.170.84.184 / 32
pass
if the sender's IP is between
52.170.84.184 and 52.170.84.184 (inclusive).
52.170.84.184 and 52.170.84.184 (inclusive).
Microsoft
AS8075
or else
ip4:
216.54.104.225 / 32
pass
if the sender's IP is between
216.54.104.225 and 216.54.104.225 (inclusive).
216.54.104.225 and 216.54.104.225 (inclusive).
Cox Communications
AS22773
or else
ip4:
216.54.104.130 / 25
pass
if the sender's IP is between
216.54.104.128 and 216.54.104.255 (inclusive).
216.54.104.128 and 216.54.104.255 (inclusive).
Cox Communications
AS22773
or else
ip4:
148.163.128.0 / 19
pass
if the sender's IP is between
148.163.128.0 and 148.163.159.255 (inclusive).
148.163.128.0 and 148.163.159.255 (inclusive).
Proofpoint
AS13916
or else
ip4:
67.231.144.0 / 20
pass
if the sender's IP is between
67.231.144.0 and 67.231.159.255 (inclusive).
67.231.144.0 and 67.231.159.255 (inclusive).
Proofpoint
AS26211
or else
ip4:
70.104.179.135 / 32
pass
if the sender's IP is between
70.104.179.135 and 70.104.179.135 (inclusive).
70.104.179.135 and 70.104.179.135 (inclusive).
Verizon Business
AS701
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:52.170.84.184 ip4:216.54.104.225 ip4:216.54.104.130/25 ip4:148.163.128.0/19 ip4:67.231.144.0/20 ip4:70.104.179.135 -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