4 / 10
Lookups
0
Issues
695,810
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:4.78.147.148 ip4:136.228.97.30 include:spf.protection.outlook.com include:_spf.crowdfiber.com ~all
Copied
Terms
ip4:
4.78.147.148 / 32
pass
if the sender's IP is between
4.78.147.148 and 4.78.147.148 (inclusive).
4.78.147.148 and 4.78.147.148 (inclusive).
Level 3 Parent
AS3356
or else
ip4:
136.228.97.30 / 32
pass
if the sender's IP is between
136.228.97.30 and 136.228.97.30 (inclusive).
136.228.97.30 and 136.228.97.30 (inclusive).
OEC Fiber
AS53449
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.crowdfiber.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 ip4:4.78.147.148 ip4:136.228.97.30 include:spf.protection.outlook.com include:_spf.crowdfiber.com ~all
6 x ip4 5 x ip6 -all
include:sendgrid.net ~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