7 / 10
Lookups
0
Issues
639,499
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 mx a include:amazonses.com include:_spf.messagegears.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.psm.knowbe4.com ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
amazonses.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Amazon SES
Email automation
or else
include:
_spf.messagegears.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:
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.psm.knowbe4.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
KnowBe4
Security training
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a include:amazonses.com include:_spf.messagegears.net include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.psm.knowbe4.com ~all
12 x ip4 -all
8 x ip4 -all
6 x ip4 5 x ip6 -all
3 x ip4 -all
6 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