7 / 10
Lookups
0
Issues
527,707
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 a include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.ninjaone.com include:spf.protection.outlook.com include:spf-us.letsignit.com -all
Copied
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
include:
us._netblocks.mimecast.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:
aspmx.pardot.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 Pardot
Email marketing
or else
include:
spf.ninjaone.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-us.letsignit.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
-all
fail
the email's SPF check.
Included records
v=spf1 a include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.ninjaone.com include:spf.protection.outlook.com include:spf-us.letsignit.com -all
14 x ip4 ~all
4 x ip4 -all
6 x ip4 5 x ip6 -all
5 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