3 / 10
Lookups
0
Issues
594,693
IPv4 addresses
1.49 ⋅ 10
28
IPv6 addresses
v=spf1 ip4:128.135.176.0/23 ip4:205.208.106.0/24 ip4:167.89.0.0/17 ip4:198.37.144.0/20 ip4:67.231.145.199 ip4:148.163.143.251 ip4:40.79.65.134 include:_spf.google.com include:spf.protection.outlook.com include:s1.uchicago.edu ?all
Copied
Terms
ip4:
128.135.176.0 / 23
pass
if the sender's IP is between
128.135.176.0 and 128.135.177.255 (inclusive).
128.135.176.0 and 128.135.177.255 (inclusive).
The University of Chicago
AS160
or else
ip4:
205.208.106.0 / 24
pass
if the sender's IP is between
205.208.106.0 and 205.208.106.255 (inclusive).
205.208.106.0 and 205.208.106.255 (inclusive).
The University of Chicago
AS160
or else
ip4:
167.89.0.0 / 17
pass
if the sender's IP is between
167.89.0.0 and 167.89.127.255 (inclusive).
167.89.0.0 and 167.89.127.255 (inclusive).
SendGrid
AS11377
or else
ip4:
198.37.144.0 / 20
pass
if the sender's IP is between
198.37.144.0 and 198.37.159.255 (inclusive).
198.37.144.0 and 198.37.159.255 (inclusive).
SendGrid
AS11377
or else
ip4:
67.231.145.199 / 32
pass
if the sender's IP is between
67.231.145.199 and 67.231.145.199 (inclusive).
67.231.145.199 and 67.231.145.199 (inclusive).
Proofpoint
AS26211
or else
ip4:
148.163.143.251 / 32
pass
if the sender's IP is between
148.163.143.251 and 148.163.143.251 (inclusive).
148.163.143.251 and 148.163.143.251 (inclusive).
Proofpoint
AS22843
or else
ip4:
40.79.65.134 / 32
pass
if the sender's IP is between
40.79.65.134 and 40.79.65.134 (inclusive).
40.79.65.134 and 40.79.65.134 (inclusive).
Microsoft
AS8075
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:
s1.uchicago.edu
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 ip4:128.135.176.0/23 ip4:205.208.106.0/24 ip4:167.89.0.0/17 ip4:198.37.144.0/20 ip4:67.231.145.199 ip4:148.163.143.251 ip4:40.79.65.134 include:_spf.google.com include:spf.protection.outlook.com include:s1.uchicago.edu ?all
2 x ip4 6 x ip6 ~all
6 x ip4 5 x ip6 -all
2 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
