8 / 10
Lookups
0
Issues
555,707
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com include:mailgun.org -all
Copied
Terms
include:
spf_a.rackspace.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_b.rackspace.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:
mailgun.org
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
MailGun
Email automation
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com include:mailgun.org -all
32 x ip4 -all
88 x ip4 -all
6 x ip4 5 x ip6 -all
include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
include:_spf1.mailgun.org include:_spf2.mailgun.org ~all
10 x ip4 ~all
9 x ip4 ~all
11 x ip4 ~all
IP ranges
120.136.34.40
/ 31
Rackspace IT Hosting AS IT Hosting Provider Hong Kong
AS45187
120.136.34.40 - 120.136.34.41
2 IP addresses
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