4 / 10
Lookups
0
Issues
3
IPv4 addresses
3.64 ⋅ 10
24
IPv6 addresses
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
1 IPv6 address
or else
include:
spf.nethost.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
-all
fail
the email's SPF check.
Included records
v=spf1 a mx include:spf.nethost.cz -all
exists:%{ir}.spf2018.nethost.cz 5 x ip6 ~all
IP ranges
2001:1528:132::
/ 48
CASABLANCA INT a.s.
AS15685
2001:1528:132::
2001:1528:132:ffff:ffff:ffff:ffff:ffff
2a00:1ed0:46:200::
/ 56
VSHosting s.r.o.
AS43541
2a00:1ed0:46:200::
2a00:1ed0:46:2ff:ffff:ffff:ffff:ffff
2001:1528:113::
/ 48
CASABLANCA INT a.s.
AS15685
2001:1528:113::
2001:1528:113:ffff:ffff:ffff:ffff:ffff