sdn24x7.com SPF record

2 / 10 Lookups
0 Issues
460,162 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:66.231.0.0/25 ip4:66.231.27.239 ip6:2607:fc00:0:16::0/64 include:nusiem.com include:spf.protection.outlook.com -all Copied

Terms

ip4:
66.231.0.0 / 25
pass if the sender's IP is between
66.231.0.0 and 66.231.0.127 (inclusive).
SDN Communications
AS13576
or else
ip4:
66.231.27.239 / 32
pass if the sender's IP is between
66.231.27.239 and 66.231.27.239 (inclusive).
SDN Communications
AS13576
or else
ip6:
2607:fc00:0:16:: / 64
pass if the sender's IP is between
2607:fc00:0:16:: and 2607:fc00:0:16:ffff:ffff:ffff:ffff (inclusive).
SDN Communications
AS13576
or else
include:
nusiem.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 ip4:66.231.0.0/25 ip4:66.231.27.239 ip6:2607:fc00:0:16::/64 include:nusiem.com include:spf.protection.outlook.com -all
3 x ip4 ~all
6 x ip4 5 x ip6 -all

IP ranges

66.231.0.0 / 25
SDN Communications
AS13576
66.231.27.239
SDN Communications
AS13576
2607:fc00:0:16:: / 64
SDN Communications
AS13576
209.173.131.0 / 24
Immedion
AS15085
208.67.228.0 / 22
Nuspire Communications
AS39945
199.48.131.118
NetActuate
AS36236
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