7 / 10
Lookups
1
Issue
460,220
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 include:spf.protection.outlook.com include:kolumbus.fi include:_spf.moonhill.fi include:_spf.datacenter.fi ?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
include:
kolumbus.fi
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
_spf.moonhill.fi
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
_spf.datacenter.fi
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 include:spf.protection.outlook.com include:kolumbus.fi include:_spf.moonhill.fi include:_spf.datacenter.fi ?all
6 x ip4 5 x ip6 -all
include:spf.elisanet.fi ptr:elisa-laajakaista.fi 7 x ip4 mx ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
7 x ip4 ~all
2 x ip4 ~all
9 x ip4 ?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
