5 / 10
Lookups
0
Issues
544,843
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:94.231.108.23 include:servers.mcsv.net include:spf.key-systems.net include:spf.protection.outlook.com include:_spf.csl.de include:spf-eu.emailsignatures365.com -all
Copied
Terms
ip4:
94.231.108.23 / 32
pass
if the sender's IP is between
94.231.108.23 and 94.231.108.23 (inclusive).
94.231.108.23 and 94.231.108.23 (inclusive).
team.blue Denmark A/S
AS48854
or else
include:
servers.mcsv.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
MailChimp
Email marketing
or else
include:
spf.key-systems.net
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.csl.de
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-eu.emailsignatures365.com
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 ip4:94.231.108.23 include:servers.mcsv.net include:spf.key-systems.net include:spf.protection.outlook.com include:_spf.csl.de include:spf-eu.emailsignatures365.com -all
3 x ip4 -all
3 x ip4 ~all
6 x ip4 5 x ip6 -all
1 x ip4 ~all
7 x ip4 -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
194.245.103.0
/ 26
CSL Computer Service Langenbach
AS5517
194.245.103.0 - 194.245.103.63
64 IP addresses