cbsmail.cz. SPF record

3 / 10 Lookups
0 Issues
11 IPv4 addresses
1.84 ⋅ 10 19 IPv6 addresses
v=spf1 ip4:188.122.222.233 ip4:81.25.16.252 ip4:81.25.16.234/31 ip4:81.25.16.224 ip4:81.25.16.139 ip4:81.25.16.243 ip4:81.25.16.170 ip6:2a00:1800:0:100:0:0:0:0/64 a:mxin1.cbsmail.cz a:mxin2.cbsmail.cz a:mx1.tlnt.cz -all Copied

Terms

ip4:
188.122.222.233 / 32
pass if the sender's IP is between
188.122.222.233 and 188.122.222.233 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.252 / 32
pass if the sender's IP is between
81.25.16.252 and 81.25.16.252 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.234 / 31
pass if the sender's IP is between
81.25.16.234 and 81.25.16.235 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.224 / 32
pass if the sender's IP is between
81.25.16.224 and 81.25.16.224 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.139 / 32
pass if the sender's IP is between
81.25.16.139 and 81.25.16.139 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.243 / 32
pass if the sender's IP is between
81.25.16.243 and 81.25.16.243 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip4:
81.25.16.170 / 32
pass if the sender's IP is between
81.25.16.170 and 81.25.16.170 (inclusive).
CEZNET s.r.o.
AS57728
or else
ip6:
2a00:1800:0:100:: / 64
pass if the sender's IP is between
2a00:1800:0:100:: and 2a00:1800:0:100:ffff:ffff:ffff:ffff (inclusive).
CEZNET s.r.o.
AS57728
or else
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:188.122.222.233 ip4:81.25.16.252 ip4:81.25.16.234/31 ip4:81.25.16.224 ip4:81.25.16.139 ip4:81.25.16.243 ip4:81.25.16.170 ip6:2a00:1800:0:100::/64 a:mxin1.cbsmail.cz a:mxin2.cbsmail.cz a:mx1.tlnt.cz -all

IP ranges

CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728
CEZNET s.r.o.
AS57728