nordic.tel. SPF record

9 / 10 Lookups
0 Issues
1,016,333 IPv4 addresses
4.41 ⋅ 10 24 IPv6 addresses
v=spf1 mx include:nordictelecom.cz include:spf.protection.outlook.com -all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
nordictelecom.cz
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
-all
fail the email's SPF check.

Included records

v=spf1 mx include:nordictelecom.cz include:spf.protection.outlook.com -all
include:_spf-custom.nordictelecom.cz include:_spf.google.com include:_spf1.nordictelecom.cz include:spf.protection.outlook.com -all
include:out.o2.cz ~all
6 x ip4 -all
2 x ip4 6 x ip6 ~all
7 x ip4 a:exchange16.in.nordic.tel ~all
6 x ip4 5 x ip6 -all
6 x ip4 5 x ip6 -all

IP ranges

78.136.129.179
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS42908
160.218.161.71
O2 Czech Republic, a.s.
AS5610
160.218.161.72
O2 Czech Republic, a.s.
AS5610
160.218.161.73
O2 Czech Republic, a.s.
AS5610
160.218.11.33
O2 Czech Republic, a.s.
AS5610
160.218.11.38
O2 Czech Republic, a.s.
AS5610
160.218.11.39
O2 Czech Republic, a.s.
AS5610
74.125.0.0 / 16
Google
AS15169
209.85.128.0 / 17
Google
AS15169
2001:4860:4864:: / 56
Google
AS15169
2404:6800:4864:: / 56
Google
AS15169
2607:f8b0:4864:: / 56
Google
AS15169
2800:3f0:4864:: / 56
Google
AS15169
2a00:1450:4864:: / 56
Google
AS15169
2c0f:fb50:4864:: / 56
Google
AS15169
78.136.129.186
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS42908
78.136.130.134
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS42908
80.79.25.0 / 24
MasterDC s.r.o.
AS24971
92.63.56.0 / 24
MasterDC s.r.o.
AS24971
78.136.129.179
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS42908
193.85.25.25
T-Mobile Czech Republic a.s.
AS13036
193.85.25.26
T-Mobile Czech Republic a.s.
AS13036
78.136.129.185
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
AS42908
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075