3 / 10
Lookups
0
Issues
561,426
IPv4 addresses
2.48 ⋅ 10
28
IPv6 addresses
v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com ?all
Copied
Terms
ip4:
128.253.150.144 / 30
pass
if the sender's IP is between
128.253.150.144 and 128.253.150.147 (inclusive).
128.253.150.144 and 128.253.150.147 (inclusive).
Cornell University
AS26
or else
ip4:
128.253.150.158 / 32
pass
if the sender's IP is between
128.253.150.158 and 128.253.150.158 (inclusive).
128.253.150.158 and 128.253.150.158 (inclusive).
Cornell University
AS26
or else
ip4:
128.253.150.176 / 32
pass
if the sender's IP is between
128.253.150.176 and 128.253.150.176 (inclusive).
128.253.150.176 and 128.253.150.176 (inclusive).
Cornell University
AS26
or else
ip4:
128.253.150.177 / 32
pass
if the sender's IP is between
128.253.150.177 and 128.253.150.177 (inclusive).
128.253.150.177 and 128.253.150.177 (inclusive).
Cornell University
AS26
or else
include:
_spf.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
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.qualtrics.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
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com ?all
2 x ip4 6 x ip6 ~all
6 x ip4 5 x ip6 -all
15 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
