investona.cz SPF record

3 / 10 Lookups
0 Issues
458,930 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 include:spf.protection.outlook.com include:spf.investona.cz include:spf.ffdev.cz -all Copied

Terms

include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
include:
spf.investona.cz
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.ffdev.cz
Evaluate this SPF record and pass if it
passes.
or else
-all
fail the email's SPF check.

Included records

v=spf1 include:spf.protection.outlook.com include:spf.investona.cz include:spf.ffdev.cz -all
6 x ip4 5 x ip6 -all
2 x ip4 -all
5 x ip4 2 x ip6 -all

IP ranges

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
90.183.208.12
O2 Czech Republic, a.s.
AS5610
85.207.214.159
RADIOKOMUNIKACE a.s.
AS25248
149.62.151.32 / 27
MasterDC s.r.o.
AS24971
83.167.238.160 / 27
MasterDC s.r.o.
AS24971
195.122.209.192 / 26
Quantcom, a.s.
AS29208
195.122.208.128 / 27
Quantcom, a.s.
AS29208
195.122.208.0 / 28
Quantcom, a.s.
AS29208
2a01:430:22f:: / 64
MasterDC s.r.o.
AS24971
2001:4de8:b0ba:ff39:: / 64
Quantcom, a.s.
AS29208