ig.cas.cz SPF record

6 / 10 Lookups
0 Issues
6 IPv4 addresses
0 IPv6 addresses
v=spf1 a:gandalf.ig.cas.cz a:mail.asu.cas.cz a:zaloha-mail.asu.cas.cz a:mail.karlov.mff.cuni.cz a:smtp.du1.cesnet.cz a:aragorn.kav.cas.cz ~all Copied

Terms

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
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
soft fail the email's SPF check.

Included records

v=spf1 a:gandalf.ig.cas.cz a:mail.asu.cas.cz a:zaloha-mail.asu.cas.cz a:mail.karlov.mff.cuni.cz a:smtp.du1.cesnet.cz a:aragorn.kav.cas.cz ~all

IP ranges

CESNET z.s.p.o.
AS2852
CESNET z.s.p.o.
AS2852
CESNET z.s.p.o.
AS2852
CESNET z.s.p.o.
AS2852
CESNET z.s.p.o.
AS2852
CESNET z.s.p.o.
AS2852