6 / 10
Lookups
0
Issues
583,718
IPv4 addresses
2.97 â‹… 10
28
IPv6 addresses
v=spf1 include:spf.key-systems.net include:_spf.google.com include:stspg-customer.com include:mail.zendesk.com include:spf.protection.outlook.com include:_spf.smtp.mailtrap.live ~all
Copied
Terms
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.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
or else
include:
stspg-customer.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
include:
mail.zendesk.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Zendesk
Helpdesk
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.smtp.mailtrap.live
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
soft fail
the email's SPF check.
Included records
v=spf1 include:spf.key-systems.net include:_spf.google.com include:stspg-customer.com include:mail.zendesk.com include:spf.protection.outlook.com include:_spf.smtp.mailtrap.live ~all
3 x ip4 ~all
2 x ip4 6 x ip6 ~all
30 x ip4 ~all
5 x ip4 ~all
6 x ip4 5 x ip6 -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