mx.nic.cz SPF record

2 / 10 Lookups
0 Issues
5,123 IPv4 addresses
6.34 ⋅ 10 29 IPv6 addresses
v=spf1 include:_v4nets.nic.cz include:_v6nets.nic.cz ~all Copied

Terms

include:
_v4nets.nic.cz
Evaluate this SPF record and pass if it
passes.
or else
include:
_v6nets.nic.cz
Evaluate this SPF record and pass if it
passes.
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 include:_v4nets.nic.cz include:_v6nets.nic.cz ~all
5 x ip4 ~all
2 x ip6 ~all

IP ranges

217.31.192.0 / 20
CZ.NIC, z.s.p.o.
AS25192
185.43.132.0 / 22
CZ.NIC, z.s.p.o.
AS25192
217.31.57.158
Webglobe, s.r.o.
AS29134
217.31.57.157
Webglobe, s.r.o.
AS29134
217.31.57.156
Webglobe, s.r.o.
AS29134
2001:1488:: / 29
CZ.NIC, z.s.p.o.
AS25192
2001:1ab0:7e1e:d150::8:0 / 112
Webglobe, s.r.o.
AS29134