3 / 10
Lookups
0
Issues
458,761
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
Terms
ip4:
38.98.87.19 / 32
pass
if the sender's IP is between
38.98.87.19 and 38.98.87.19 (inclusive).
38.98.87.19 and 38.98.87.19 (inclusive).
Cogent Communications
AS174
or else
ip4:
128.1.240.39 / 32
pass
if the sender's IP is between
128.1.240.39 and 128.1.240.39 (inclusive).
128.1.240.39 and 128.1.240.39 (inclusive).
Zenlayer
AS21859
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
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
5 IPv6 addresses
or else
ip4:
66.128.53.39 / 32
pass
if the sender's IP is between
66.128.53.39 and 66.128.53.39 (inclusive).
66.128.53.39 and 66.128.53.39 (inclusive).
Global IP Networks
AS7819
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:38.98.87.19 ip4:128.1.240.39 include:spf.protection.outlook.com a mx ip4:66.128.53.39 -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