8 / 10
Lookups
0
Issues
656
IPv4 addresses
1.21 ⋅ 10
24
IPv6 addresses
v=spf1 include:_spf.vhost.cz include:spf.smartemailing.cz a:app1.isvs.cz ~all
Copied
Terms
include:
_spf.vhost.cz
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
spf.smartemailing.cz
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
a:
app1.isvs.cz
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 include:_spf.vhost.cz include:spf.smartemailing.cz a:app1.isvs.cz ~all
mx a 6 x ip4 3 x ip6 -all
11 x ip4 include:spf1.smartemailing.cz ~all
7 x ip4 3 x ip6 include:spf2.smartemailing.cz ~all
IP ranges
2001:1528:1:6380::
/ 64
CASABLANCA INT a.s.
AS15685
2001:1528:1:6380::
2001:1528:1:6380:ffff:ffff:ffff:ffff
2001:1528:123::
/ 48
CASABLANCA INT a.s.
AS15685
2001:1528:123::
2001:1528:123:ffff:ffff:ffff:ffff:ffff