listhost.uchicago.edu SPF record

2 / 10 Lookups
0 Issues
594,690 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 include:_spf.google.com include:spf.protection.outlook.com ?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).
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).
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).
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).
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).
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).
Proofpoint
AS22843
or else
include:
_spf.google.com
Evaluate this SPF record and pass if it
passes.
Gmail
Inbox software
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
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 include:_spf.google.com include:spf.protection.outlook.com ?all
2 x ip4 6 x ip6 ~all
6 x ip4 5 x ip6 -all

IP ranges

128.135.176.0 / 23
The University of Chicago
AS160
205.208.106.0 / 24
The University of Chicago
AS160
167.89.0.0 / 17
SendGrid
AS11377
198.37.144.0 / 20
SendGrid
AS11377
67.231.145.199
Proofpoint
AS26211
148.163.143.251
Proofpoint
AS22843
74.125.0.0 / 16
Google
AS15169
209.85.128.0 / 17
Google
AS15169
2001:4860:4864:: / 56
Google
AS15169
2404:6800:4864:: / 56
Google
AS15169
2607:f8b0:4864:: / 56
Google
AS15169
2800:3f0:4000:: / 36
Google
AS15169
2a00:1450:4000:: / 36
Google
AS15169
2c0f:fb50:4000:: / 36
Google
AS15169
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075