2 / 10
Lookups
0
Issues
465,051
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:81.3.0.2 ip4:81.3.0.3 include:spf.hornetsecurity.com -all
Copied
Terms
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:
81.3.0.2 / 32
pass
if the sender's IP is between
81.3.0.2 and 81.3.0.2 (inclusive).
81.3.0.2 and 81.3.0.2 (inclusive).
kyberio
AS24679
or else
ip4:
81.3.0.3 / 32
pass
if the sender's IP is between
81.3.0.3 and 81.3.0.3 (inclusive).
81.3.0.3 and 81.3.0.3 (inclusive).
kyberio
AS24679
or else
include:
spf.hornetsecurity.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 include:spf.protection.outlook.com ip4:81.3.0.2 ip4:81.3.0.3 include:spf.hornetsecurity.com -all
6 x ip4 5 x ip6 -all
20 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
94.100.128.0
/ 20
MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG
AS25394
94.100.128.0 - 94.100.143.255
4,096 IP addresses
173.45.18.0
/ 24
Atlantic Metro Communications II
AS29838
173.45.18.0 - 173.45.18.255
256 IP addresses