3 / 10
Lookups
0
Issues
461,328
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:_netblocks.viacom.com include:spf.protection.outlook.com ip4:72.32.176.241/32 ip4:72.32.176.247/32 include:aspmx.sailthru.com ~all
Copied
Terms
include:
_netblocks.viacom.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
ip4:
72.32.176.241 / 32
pass
if the sender's IP is between
72.32.176.241 and 72.32.176.241 (inclusive).
72.32.176.241 and 72.32.176.241 (inclusive).
Rackspace Hosting
AS33070
or else
ip4:
72.32.176.247 / 32
pass
if the sender's IP is between
72.32.176.247 and 72.32.176.247 (inclusive).
72.32.176.247 and 72.32.176.247 (inclusive).
Rackspace Hosting
AS33070
or else
include:
aspmx.sailthru.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
soft fail
the email's SPF check.
Included records
v=spf1 include:_netblocks.viacom.com include:spf.protection.outlook.com ip4:72.32.176.241 ip4:72.32.176.247 include:aspmx.sailthru.com ~all
12 x ip4 ~all
6 x ip4 5 x ip6 -all
8 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