spf-b.hotmail.com SPF record

0 / 10 Lookups
0 Issues
132,608 IPv4 addresses
2.34 ⋅ 10 24 IPv6 addresses
v=spf1 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip4:40.92.0.0/16 ip4:104.47.20.0/23 ip4:104.47.108.0/23 ip4:104.47.75.0/24 ip4:104.47.53.50/24 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f 403:f000::/52 -all Copied

Terms

ip4:
52.103.0.0 / 17
pass if the sender's IP is between
52.103.0.0 and 52.103.127.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.0.0 / 17
pass if the sender's IP is between
104.47.0.0 and 104.47.127.255 (inclusive).
Microsoft
AS8075
or else
ip4:
40.92.0.0 / 16
pass if the sender's IP is between
40.92.0.0 and 40.92.255.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.20.0 / 23
pass if the sender's IP is between
104.47.20.0 and 104.47.21.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.108.0 / 23
pass if the sender's IP is between
104.47.108.0 and 104.47.109.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.75.0 / 24
pass if the sender's IP is between
104.47.75.0 and 104.47.75.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.53.50 / 24
pass if the sender's IP is between
104.47.53.0 and 104.47.53.255 (inclusive).
Microsoft
AS8075
or else
ip6:
2a01:111:f400:: / 48
pass if the sender's IP is between
2a01:111:f400:: and 2a01:111:f400:ffff:ffff:ffff:ffff:ffff (inclusive).
Microsoft
AS8075
or else
ip6:
2a01:111:f403:: / 49
pass if the sender's IP is between
2a01:111:f403:: and 2a01:111:f403:7fff:ffff:ffff:ffff:ffff (inclusive).
Microsoft
AS8075
or else
ip6:
2a01:111:f403:8000:: / 50
pass if the sender's IP is between
2a01:111:f403:8000:: and 2a01:111:f403:bfff:ffff:ffff:ffff:ffff (inclusive).
Microsoft
AS8075
or else
ip6:
2a01:111:f403:c000:: / 51
pass if the sender's IP is between
2a01:111:f403:c000:: and 2a01:111:f403:dfff:ffff:ffff:ffff:ffff (inclusive).
Microsoft
AS8075
or else
ip6:
2a01:111:f403:f000:: / 52
pass if the sender's IP is between
2a01:111:f403:f000:: and 2a01:111:f403:ffff:ffff:ffff:ffff:ffff (inclusive).
Microsoft
AS8075
or else
-all
fail the email's SPF check.

Included records

v=spf1 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip4:40.92.0.0/16 ip4:104.47.20.0/23 ip4:104.47.108.0/23 ip4:104.47.75.0/24 ip4:104.47.53.50/24 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all

IP ranges

52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
40.92.0.0 / 16
Microsoft
AS8075
104.47.20.0 / 23
Microsoft
AS8075
104.47.108.0 / 23
Microsoft
AS8075
104.47.75.0 / 24
Microsoft
AS8075
104.47.53.50 / 24
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 50
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075