sigma-serv.com SPF record

1 / 10 Lookups
0 Issues
458,753 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:52.49.77.121 -all Copied

Terms

Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
52.49.77.121 / 32
pass if the sender's IP is between
52.49.77.121 and 52.49.77.121 (inclusive).
Amazon.com
AS16509
or else
-all
fail the email's SPF check.

Included records

v=spf1 include:spf.protection.outlook.com ip4:52.49.77.121 -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
Microsoft
AS8075
Microsoft
AS8075
Microsoft
AS8075
Amazon.com
AS16509