vspf.usbank.com SPF record

4 / 10 Lookups
0 Issues
458,948 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:204.15.81.0/26 ip4:216.206.186.128/25 include:res.cisco.com include:spf.protection.outlook.com -all Copied

Terms

ip4:
204.15.81.0 / 26
pass if the sender's IP is between
204.15.81.0 and 204.15.81.63 (inclusive).
or else
ip4:
216.206.186.128 / 25
pass if the sender's IP is between
216.206.186.128 and 216.206.186.255 (inclusive).
CenturyLink Communications
AS209
or else
include:
res.cisco.com
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:204.15.81.0/26 ip4:216.206.186.128/25 include:res.cisco.com include:spf.protection.outlook.com -all
mx:res.cisco.com exists:%{i}.spf.res.cisco.com -all
6 x ip4 5 x ip6 -all

IP ranges

204.15.81.0 / 26
216.206.186.128 / 25
CenturyLink Communications
AS209
68.232.135.234
Cisco Systems Ironport Division
AS16417
68.232.135.235
Cisco Systems Ironport Division
AS16417
68.232.140.79
Cisco Systems Ironport Division
AS16417
68.232.140.57
Cisco Systems Ironport Division
AS16417
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