4 / 10
Lookups
0
Issues
459,078
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.inext.cz include:spf.protection.outlook.com include:_spf_ceznet.tlnt.cz ip4:212.111.1.0/26 ip6:2a00:e580:8::/64 ip4:185.115.181.221 ip4:88.146.170.21 ~all
Copied
Terms
include:
spf.inext.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.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
include:
_spf_ceznet.tlnt.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:
212.111.1.0 / 26
pass
if the sender's IP is between
212.111.1.0 and 212.111.1.63 (inclusive).
212.111.1.0 and 212.111.1.63 (inclusive).
INTERNEXT 2000
AS25424
or else
ip6:
2a00:e580:8:: / 64
pass
if the sender's IP is between
2a00:e580:8:: and 2a00:e580:8:0:ffff:ffff:ffff:ffff (inclusive).
2a00:e580:8:: and 2a00:e580:8:0:ffff:ffff:ffff:ffff (inclusive).
INTERNEXT 2000
AS25424
or else
ip4:
185.115.181.221 / 32
pass
if the sender's IP is between
185.115.181.221 and 185.115.181.221 (inclusive).
185.115.181.221 and 185.115.181.221 (inclusive).
CEZNET s.r.o.
AS204064
or else
ip4:
88.146.170.21 / 32
pass
if the sender's IP is between
88.146.170.21 and 88.146.170.21 (inclusive).
88.146.170.21 and 88.146.170.21 (inclusive).
Vodafone Czech Republic a.s.
AS16019
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 include:spf.inext.cz include:spf.protection.outlook.com include:_spf_ceznet.tlnt.cz ip4:212.111.1.0/26 ip6:2a00:e580:8::/64 ip4:185.115.181.221 ip4:88.146.170.21 ~all
1 x ip4 1 x ip6 a:relay1.inext.cz ~all
6 x ip4 5 x ip6 -all
3 x ip4 1 x ip6 ~all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff