3 / 10
Lookups
0
Issues
463,369
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:131.113.221.79 ip4:131.113.131.102 ip4:131.113.134.11 ip4:131.113.221.141 ip4:131.113.221.142 include:_spf0.adst.keio.ac.jp include:spf.curumeru.jp include:spf.protection.outlook.com ~all
Copied
Terms
ip4:
131.113.221.79 / 32
pass
if the sender's IP is between
131.113.221.79 and 131.113.221.79 (inclusive).
131.113.221.79 and 131.113.221.79 (inclusive).
Keio University
AS38635
or else
ip4:
131.113.131.102 / 32
pass
if the sender's IP is between
131.113.131.102 and 131.113.131.102 (inclusive).
131.113.131.102 and 131.113.131.102 (inclusive).
Keio University
AS38635
or else
ip4:
131.113.134.11 / 32
pass
if the sender's IP is between
131.113.134.11 and 131.113.134.11 (inclusive).
131.113.134.11 and 131.113.134.11 (inclusive).
Keio University
AS38635
or else
ip4:
131.113.221.141 / 32
pass
if the sender's IP is between
131.113.221.141 and 131.113.221.141 (inclusive).
131.113.221.141 and 131.113.221.141 (inclusive).
Keio University
AS38635
or else
ip4:
131.113.221.142 / 32
pass
if the sender's IP is between
131.113.221.142 and 131.113.221.142 (inclusive).
131.113.221.142 and 131.113.221.142 (inclusive).
Keio University
AS38635
or else
include:
_spf0.adst.keio.ac.jp
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.curumeru.jp
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.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
soft fail
the email's SPF check.
Included records
v=spf1 ip4:131.113.221.79 ip4:131.113.131.102 ip4:131.113.134.11 ip4:131.113.221.141 ip4:131.113.221.142 include:_spf0.adst.keio.ac.jp include:spf.curumeru.jp include:spf.protection.outlook.com ~all
4 x ip4 1 x ip6 ~all
18 x ip4 ~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