8 / 10
Lookups
1
Issue
932,864
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
'all' should be the last mechanism (any other mechanism will be ignored).
v=spf1 include:spf.protection.outlook.com -all include:_spf.elasticemail.com include:_spf.rdstation.com.br include:sendgrid.net ~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
-all
fail
the email's SPF check.
or else
include:
_spf.elasticemail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Elastic Email
Email marketing
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
~all
soft fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com -all include:_spf.elasticemail.com include:_spf.rdstation.com.br include:sendgrid.net ~all
'all' should be the last mechanism (any other mechanism will be ignored)
6 x ip4 5 x ip6 -all
exists:%{i}._spf.elasticemail.info ~all
include:sendgrid.net ?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
