0 / 10
Lookups
0
Issues
1,024
IPv4 addresses
1.84 ⋅ 10
19
IPv6 addresses
v=spf1 ip4:147.231.12.0/22 ip6:2001:718:401:1002::/64 ~all
Copied
Terms
ip4:
147.231.12.0 / 22
pass
if the sender's IP is between
147.231.12.0 and 147.231.15.255 (inclusive).
147.231.12.0 and 147.231.15.255 (inclusive).
CESNET z.s.p.o.
AS2852
or else
ip6:
2001:718:401:1002:: / 64
pass
if the sender's IP is between
2001:718:401:1002:: and 2001:718:401:1002:ffff:ffff:ffff:ffff (inclusive).
2001:718:401:1002:: and 2001:718:401:1002:ffff:ffff:ffff:ffff (inclusive).
CESNET z.s.p.o.
AS2852
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:147.231.12.0/22 ip6:2001:718:401:1002::/64 ~all
IP ranges
2001:718:401:1002::
/ 64
CESNET z.s.p.o.
AS2852
2001:718:401:1002::
2001:718:401:1002:ffff:ffff:ffff:ffff