3 / 10
Lookups
0
Issues
66,579
IPv4 addresses
0
IPv6 addresses
v=spf1 a mx include:spf.nubium.cz ip4:95.168.0.0/16 ip4:88.86.100.160/27 ip4:88.86.103.240/28 ip4:62.240.183.128/25 ip4:77.48.29.192/28 -all
Copied
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.
1 IPv4 address
or else
include:
spf.nubium.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
ip4:
95.168.0.0 / 16
pass
if the sender's IP is between
95.168.0.0 and 95.168.255.255 (inclusive).
95.168.0.0 and 95.168.255.255 (inclusive).
Ariege Telecom
AS43698
or else
ip4:
88.86.100.160 / 27
pass
if the sender's IP is between
88.86.100.160 and 88.86.100.191 (inclusive).
88.86.100.160 and 88.86.100.191 (inclusive).
SH.cz s.r.o.
AS39392
or else
ip4:
88.86.103.240 / 28
pass
if the sender's IP is between
88.86.103.240 and 88.86.103.255 (inclusive).
88.86.103.240 and 88.86.103.255 (inclusive).
SH.cz s.r.o.
AS39392
or else
ip4:
62.240.183.128 / 25
pass
if the sender's IP is between
62.240.183.128 and 62.240.183.255 (inclusive).
62.240.183.128 and 62.240.183.255 (inclusive).
Vodafone Czech Republic a.s.
AS16019
or else
ip4:
77.48.29.192 / 28
pass
if the sender's IP is between
77.48.29.192 and 77.48.29.207 (inclusive).
77.48.29.192 and 77.48.29.207 (inclusive).
Vodafone Czech Republic a.s.
AS16019
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx include:spf.nubium.cz ip4:95.168.0.0/16 ip4:88.86.100.160/27 ip4:88.86.103.240/28 ip4:62.240.183.128/25 ip4:77.48.29.192/28 -all
9 x ip4 -all
IP ranges
62.240.183.128
/ 25
Vodafone Czech Republic a.s.
AS16019
62.240.183.128 - 62.240.183.255
128 IP addresses
141.170.158.0
/ 24
Vodafone Czech Republic a.s.
AS16019
141.170.158.0 - 141.170.158.255
256 IP addresses
62.240.183.128
/ 25
Vodafone Czech Republic a.s.
AS16019
62.240.183.128 - 62.240.183.255
128 IP addresses