3 / 10
Lookups
0
Issues
459,013
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:204.209.44.0/24 ip4:208.77.197.228/32 ip4:208.77.197.242/32 +a +mx -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:
204.209.44.0 / 24
pass
if the sender's IP is between
204.209.44.0 and 204.209.44.255 (inclusive).
204.209.44.0 and 204.209.44.255 (inclusive).
Wolfpaw Data Centres
AS30500
or else
ip4:
208.77.197.228 / 32
pass
if the sender's IP is between
208.77.197.228 and 208.77.197.228 (inclusive).
208.77.197.228 and 208.77.197.228 (inclusive).
Wolfpaw Data Centres
AS30500
or else
ip4:
208.77.197.242 / 32
pass
if the sender's IP is between
208.77.197.242 and 208.77.197.242 (inclusive).
208.77.197.242 and 208.77.197.242 (inclusive).
Wolfpaw Data Centres
AS30500
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
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
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:204.209.44.0/24 ip4:208.77.197.228 ip4:208.77.197.242 a mx -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