3 / 10
Lookups
0
Issues
557,572
IPv4 addresses
1.49 ⋅ 10
28
IPv6 addresses
v=spf1 mx ip4:128.135.176.0/23 ip4:67.231.145.199 ip4:148.163.143.251 include:_spf.google.com include:spf.protection.outlook.com ?all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
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:
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
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
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 mx ip4:128.135.176.0/23 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
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