2 / 10
Lookups
0
Issues
458,760
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:54.227.157.206 ip4:18.211.218.79 ip4:52.44.113.9 ip4:52.72.252.246 ip4:54.81.65.143 ip4:168.245.56.255/32 ip4:66.172.234.1 a:chrsolutions.com -all
Copied
Terms
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
54.227.157.206 / 32
pass
if the sender's IP is between
54.227.157.206 and 54.227.157.206 (inclusive).
54.227.157.206 and 54.227.157.206 (inclusive).
Amazon.com
AS14618
or else
ip4:
18.211.218.79 / 32
pass
if the sender's IP is between
18.211.218.79 and 18.211.218.79 (inclusive).
18.211.218.79 and 18.211.218.79 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.44.113.9 / 32
pass
if the sender's IP is between
52.44.113.9 and 52.44.113.9 (inclusive).
52.44.113.9 and 52.44.113.9 (inclusive).
Amazon.com
AS14618
or else
ip4:
52.72.252.246 / 32
pass
if the sender's IP is between
52.72.252.246 and 52.72.252.246 (inclusive).
52.72.252.246 and 52.72.252.246 (inclusive).
Amazon.com
AS14618
or else
ip4:
54.81.65.143 / 32
pass
if the sender's IP is between
54.81.65.143 and 54.81.65.143 (inclusive).
54.81.65.143 and 54.81.65.143 (inclusive).
Amazon.com
AS14618
or else
ip4:
168.245.56.255 / 32
pass
if the sender's IP is between
168.245.56.255 and 168.245.56.255 (inclusive).
168.245.56.255 and 168.245.56.255 (inclusive).
SendGrid
AS11377
or else
ip4:
66.172.234.1 / 32
pass
if the sender's IP is between
66.172.234.1 and 66.172.234.1 (inclusive).
66.172.234.1 and 66.172.234.1 (inclusive).
Long Lines Internet
AS32867
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:54.227.157.206 ip4:18.211.218.79 ip4:52.44.113.9 ip4:52.72.252.246 ip4:54.81.65.143 ip4:168.245.56.255 ip4:66.172.234.1 a:chrsolutions.com -all
6 x ip4 5 x ip6 -all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff