nih.gov SPF record

1 / 10 Lookups
0 Issues
459,168 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25 ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64 ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all Copied

Terms

ip4:
128.231.90.64 / 26
pass if the sender's IP is between
128.231.90.64 and 128.231.90.127 (inclusive).
National Institutes of Health
AS3527
or else
ip4:
165.112.13.0 / 26
pass if the sender's IP is between
165.112.13.0 and 165.112.13.63 (inclusive).
National Institutes of Health
AS30387
or else
ip4:
156.40.79.128 / 25
pass if the sender's IP is between
156.40.79.128 and 156.40.79.255 (inclusive).
National Institutes of Health
AS3527
or else
ip4:
128.231.89.192 / 28
pass if the sender's IP is between
128.231.89.192 and 128.231.89.207 (inclusive).
National Institutes of Health
AS3527
or else
ip4:
165.112.69.16 / 28
pass if the sender's IP is between
165.112.69.16 and 165.112.69.31 (inclusive).
National Institutes of Health
AS3527
or else
ip4:
165.112.194.0 / 25
pass if the sender's IP is between
165.112.194.0 and 165.112.194.127 (inclusive).
National Institutes of Health
AS30387
or else
ip6:
2607:f220:404:8104:: / 64
pass if the sender's IP is between
2607:f220:404:8104:: and 2607:f220:404:8104:ffff:ffff:ffff:ffff (inclusive).
National Institutes of Health
AS3527
or else
ip6:
2607:f220:402:1a01:: / 64
pass if the sender's IP is between
2607:f220:402:1a01:: and 2607:f220:402:1a01:ffff:ffff:ffff:ffff (inclusive).
National Institutes of Health
AS3527
or else
ip6:
2607:f220:404:12e:: / 64
pass if the sender's IP is between
2607:f220:404:12e:: and 2607:f220:404:12e:ffff:ffff:ffff:ffff (inclusive).
National Institutes of Health
AS3527
or else
ip6:
2607:f220:402:12e:: / 64
pass if the sender's IP is between
2607:f220:402:12e:: and 2607:f220:402:12e:ffff:ffff:ffff:ffff (inclusive).
National Institutes of Health
AS3527
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25 ip6:2607:f220:404:8104::/64 ip6:2607:f220:402:1a01::/64 ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all
6 x ip4 5 x ip6 -all

IP ranges

128.231.90.64 / 26
National Institutes of Health
AS3527
165.112.13.0 / 26
National Institutes of Health
AS30387
156.40.79.128 / 25
National Institutes of Health
AS3527
128.231.89.192 / 28
National Institutes of Health
AS3527
165.112.69.16 / 28
National Institutes of Health
AS3527
165.112.194.0 / 25
National Institutes of Health
AS30387
2607:f220:404:8104:: / 64
National Institutes of Health
AS3527
2607:f220:402:1a01:: / 64
National Institutes of Health
AS3527
2607:f220:404:12e:: / 64
National Institutes of Health
AS3527
2607:f220:402:12e:: / 64
National Institutes of Health
AS3527
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