8 / 10
Lookups
0
Issues
506,881
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 ip4:128.255.173.35 ip4:128.255.224.137 ip4:129.255.126.125 ip4:128.255.66.223 ip4:128.255.6.158 ip4:128.255.6.160 ip4:74.207.84.242 include:spf.protection.outlook.com include:spf-001c0c01.pphosted.com include:spf.turbo-smtp.com include:mailgun.org
-all
Copied
Terms
ip4:
128.255.173.35 / 32
pass
if the sender's IP is between
128.255.173.35 and 128.255.173.35 (inclusive).
128.255.173.35 and 128.255.173.35 (inclusive).
University of Iowa
AS3676
or else
ip4:
128.255.224.137 / 32
pass
if the sender's IP is between
128.255.224.137 and 128.255.224.137 (inclusive).
128.255.224.137 and 128.255.224.137 (inclusive).
University of Iowa
AS3676
or else
ip4:
129.255.126.125 / 32
pass
if the sender's IP is between
129.255.126.125 and 129.255.126.125 (inclusive).
129.255.126.125 and 129.255.126.125 (inclusive).
University of Iowa
AS3676
or else
ip4:
128.255.66.223 / 32
pass
if the sender's IP is between
128.255.66.223 and 128.255.66.223 (inclusive).
128.255.66.223 and 128.255.66.223 (inclusive).
University of Iowa
AS3676
or else
ip4:
128.255.6.158 / 32
pass
if the sender's IP is between
128.255.6.158 and 128.255.6.158 (inclusive).
128.255.6.158 and 128.255.6.158 (inclusive).
University of Iowa
AS3676
or else
ip4:
128.255.6.160 / 32
pass
if the sender's IP is between
128.255.6.160 and 128.255.6.160 (inclusive).
128.255.6.160 and 128.255.6.160 (inclusive).
University of Iowa
AS3676
or else
ip4:
74.207.84.242 / 32
pass
if the sender's IP is between
74.207.84.242 and 74.207.84.242 (inclusive).
74.207.84.242 and 74.207.84.242 (inclusive).
Amazon.com
AS14618
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-001c0c01.pphosted.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
include:
spf.turbo-smtp.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
include:
mailgun.org
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
MailGun
Email automation
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:128.255.173.35 ip4:128.255.224.137 ip4:129.255.126.125 ip4:128.255.66.223 ip4:128.255.6.158 ip4:128.255.6.160 ip4:74.207.84.242 include:spf.protection.outlook.com include:spf-001c0c01.pphosted.com include:spf.turbo-smtp.com include:mailgun.org -all
6 x ip4 5 x ip6 -all
2 x ip4
6 x ip4 -all
include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
include:_spf1.mailgun.org include:_spf2.mailgun.org ~all
10 x ip4 ~all
9 x ip4 ~all
11 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