iai-system.com SPF record

2 / 10 Lookups
0 Issues
460,052 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 mx ip4:5.149.160.0/22 ip4:212.106.0.176/28 ip4:5.149.167.0/24 ip6:2a02:951:100a:0:5:149:163:33 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.
4 IPv4 addresses
4 IPv6 addresses
or else
ip4:
5.149.160.0 / 22
pass if the sender's IP is between
5.149.160.0 and 5.149.163.255 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip4:
212.106.0.176 / 28
pass if the sender's IP is between
212.106.0.176 and 212.106.0.191 (inclusive).
Netia SA
AS12741
or else
ip4:
5.149.167.0 / 24
pass if the sender's IP is between
5.149.167.0 and 5.149.167.255 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
ip6:
2a02:951:100a:0:5:149:163:33 / 128
pass if the sender's IP is between
2a02:951:100a:0:5:149:163:33 and 2a02:951:100a:0:5:149:163:33 (inclusive).
Beyond.pl sp. z o.o.
AS31229
or else
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 mx ip4:5.149.160.0/22 ip4:212.106.0.176/28 ip4:5.149.167.0/24 ip6:2a02:951:100a:0:5:149:163:33 include:spf.protection.outlook.com -all
6 x ip4 5 x ip6 -all

IP ranges

Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Beyond.pl sp. z o.o.
AS31229
Netia SA
AS12741
Beyond.pl sp. z o.o.
AS31229
Beyond.pl sp. z o.o.
AS31229
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075