3 / 10
Lookups
0
Issues
459,141
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 a mx ip4:200.42.138.0/24 ip4:201.212.4.0/25 include:spf.protection.outlook.com -all
Copied
Terms
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.
4 IPv4 addresses
4 IPv6 addresses
or else
ip4:
200.42.138.0 / 24
pass
if the sender's IP is between
200.42.138.0 and 200.42.138.255 (inclusive).
200.42.138.0 and 200.42.138.255 (inclusive).
Telecom Argentina
AS7303
or else
ip4:
201.212.4.0 / 25
pass
if the sender's IP is between
201.212.4.0 and 201.212.4.127 (inclusive).
201.212.4.0 and 201.212.4.127 (inclusive).
Telecom Argentina
AS7303
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 a mx ip4:200.42.138.0/24 ip4:201.212.4.0/25 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