9 / 10
Lookups
0
Issues
479,894
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 include:_spf.prod.hydra.sophos.com include:spf.messagelabs.com include:spf.protection.outlook.com ~all
Copied
Terms
include:
_spf.prod.hydra.sophos.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.messagelabs.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
soft fail
the email's SPF check.
Included records
v=spf1 include:_spf.prod.hydra.sophos.com include:spf.messagelabs.com include:spf.protection.outlook.com ~all
include:_spf_uswest2.prod.hydra.sophos.com include:_spf_euwest1.prod.hydra.sophos.com include:_spf_eucentral1.prod.hydra.sophos.com include:_spf_useast2.prod.hydra.sophos.com ~all
10 x ip4 ~all
6 x ip4 ~all
6 x ip4 ~all
7 x ip4 ~all
include:nets1.spf.messagelabs.com include:nets2.spf.messagelabs.com ~all
6 x ip4
10 x ip4
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