keio.ac.jp SPF record

0 / 10 Lookups
0 Issues
131,072 IPv4 addresses
2.42 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:131.113.0.0/16 ip4:133.27.0.0/16 ip6:2001:df0:eb::/48 ip6:2001:df2:c900::/48 ~all Copied

Terms

ip4:
131.113.0.0 / 16
pass if the sender's IP is between
131.113.0.0 and 131.113.255.255 (inclusive).
Keio University
AS38635
or else
ip4:
133.27.0.0 / 16
pass if the sender's IP is between
133.27.0.0 and 133.27.255.255 (inclusive).
Keio University
AS38635
or else
ip6:
2001:df0:eb:: / 48
pass if the sender's IP is between
2001:df0:eb:: and 2001:df0:eb:ffff:ffff:ffff:ffff:ffff (inclusive).
Keio University
AS38635
or else
ip6:
2001:df2:c900:: / 48
pass if the sender's IP is between
2001:df2:c900:: and 2001:df2:c900:ffff:ffff:ffff:ffff:ffff (inclusive).
Keio University
AS38635
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 ip4:131.113.0.0/16 ip4:133.27.0.0/16 ip6:2001:df0:eb::/48 ip6:2001:df2:c900::/48 ~all

IP ranges

131.113.0.0 / 16
Keio University
AS38635
133.27.0.0 / 16
Keio University
AS38635
2001:df0:eb:: / 48
Keio University
AS38635
2001:df2:c900:: / 48
Keio University
AS38635