10 / 10
Lookups
0
Issues
508,378
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 include:spf.uchicago.edu include:spf.protection.outlook.com include:_spf.createsend.com include:spf.constantcontact.com include:_spf.salesforce.com include:_spf.mailgun.org include:_spf.eu.mailgun.org ~all
Copied
Terms
include:
spf.uchicago.edu
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.createsend.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Campaign Monitor
Email marketing
or else
include:
spf.constantcontact.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Constant Contact
Email marketing
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
include:
_spf.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
include:
_spf.eu.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
soft fail
the email's SPF check.
Included records
v=spf1 include:spf.uchicago.edu include:spf.protection.outlook.com include:_spf.createsend.com include:spf.constantcontact.com include:_spf.salesforce.com include:_spf.mailgun.org include:_spf.eu.mailgun.org ~all
4 x ip4 ?all
6 x ip4 5 x ip6 -all
6 x ip4 ~all
2 x ip4 ~all
exists:%{i}._spf.mta.salesforce.com -all
include:_spf1.mailgun.org include:_spf2.mailgun.org ~all
10 x ip4 ~all
9 x ip4 ~all
11 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