_spf.web4u.cz SPF record

0 / 10 Lookups
0 Issues
512 IPv4 addresses
1.21 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:81.91.86.0/23 ip6:2001:1568::/64 ip6:2001:1568:502::/48 -all Copied

Terms

ip4:
81.91.86.0 / 23
pass if the sender's IP is between
81.91.86.0 and 81.91.87.255 (inclusive).
Web4U s.r.o.
AS39790
or else
ip6:
2001:1568:: / 64
pass if the sender's IP is between
2001:1568:: and 2001:1568::ffff:ffff:ffff:ffff (inclusive).
Web4U s.r.o.
AS39790
or else
ip6:
2001:1568:502:: / 48
pass if the sender's IP is between
2001:1568:502:: and 2001:1568:502:ffff:ffff:ffff:ffff:ffff (inclusive).
Web4U s.r.o.
AS39790
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:81.91.86.0/23 ip6:2001:1568::/64 ip6:2001:1568:502::/48 -all

IP ranges

81.91.86.0 / 23
Web4U s.r.o.
AS39790
2001:1568:: / 64
Web4U s.r.o.
AS39790
2001:1568:502:: / 48
Web4U s.r.o.
AS39790