7 / 10
Lookups
0
Issues
507,404
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
Terms
or else
include:
_spf.shell.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:
_spf1.shell.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:
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.salesforce.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Salesforce
CRM
or else
-all
fail
the email's SPF check.
Included records
v=spf1 exists:_i.%{i}._h.%{h}._o.%{o}._spf.shell.com include:_spf.shell.com include:_spf1.shell.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
8 x ip4 -all
12 x ip4 exists:%{i}.delivery.ser.emailrouter.com -all
6 x ip4 5 x ip6 -all
exists:%{i}._spf.mta.salesforce.com -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