11 / 10
Lookups
2
Issues
1,115,654
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
There are 2 issues with this SPF record
- More than 10 DNS lookups were required to process this SPF record.
- No SPF record found for _spf.kb4.io.
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com include:spf.mandrillapp.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.kb4.io include:_spf.psm.knowbe4.com ~all
Copied
Terms
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:
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.mandrillapp.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Mandrill
Email automation
or else
include:
_spf.rdstation.com.br
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:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
include:
_spf.kb4.io
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.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 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com include:spf.mandrillapp.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.kb4.io include:_spf.psm.knowbe4.com ~all
More than 10 DNS lookups were required to process this SPF record
6 x ip4 5 x ip6 -all
3 x ip4 -all
12 x ip4 -all
12 x ip4 ~all
include:sendgrid.net ?all
No SPF record
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