6 / 10
Lookups
0
Issues
459,076
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:dnsexit.com include:spf.ess.uk.barracudanetworks.com include:spf.smtp-engine.com include:spf-gb.mailssig.com include:spf.protection.outlook.com -all
Copied
Terms
include:
dnsexit.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.ess.uk.barracudanetworks.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.smtp-engine.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-gb.mailssig.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
-all
fail
the email's SPF check.
Included records
v=spf1 include:dnsexit.com include:spf.ess.uk.barracudanetworks.com include:spf.smtp-engine.com include:spf-gb.mailssig.com include:spf.protection.outlook.com -all
30 x ip4 -all
3 x ip4 -all
exists:%{ir}.%{v}.spf.smtp-engine.com ~all exp=exp.smtp-engine.com
6 x ip4 -all
6 x ip4 5 x ip6 -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