4 / 10
Lookups
0
Issues
459,282
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:spf.protection.outlook.com ip4:66.231.205.136/32 ip4:64.140.234.72/32 ip4:128.177.14.0/24 ip4:128.177.36.0/24 ip4:208.88.138.68 ip4:64.129.49.25 ip4:66.231.212.4 a:us.mailers.system-monitor.com a:corpmail.firstlight.net include:_spf_cd.spam
titan.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:
66.231.205.136 / 32
pass
if the sender's IP is between
66.231.205.136 and 66.231.205.136 (inclusive).
66.231.205.136 and 66.231.205.136 (inclusive).
FirstLight Fiber
AS21547
or else
ip4:
64.140.234.72 / 32
pass
if the sender's IP is between
64.140.234.72 and 64.140.234.72 (inclusive).
64.140.234.72 and 64.140.234.72 (inclusive).
FirstLight Fiber
AS21547
or else
ip4:
128.177.14.0 / 24
pass
if the sender's IP is between
128.177.14.0 and 128.177.14.255 (inclusive).
128.177.14.0 and 128.177.14.255 (inclusive).
BroadSoft
AS21534
or else
ip4:
128.177.36.0 / 24
pass
if the sender's IP is between
128.177.36.0 and 128.177.36.255 (inclusive).
128.177.36.0 and 128.177.36.255 (inclusive).
BroadSoft
AS21534
or else
ip4:
208.88.138.68 / 32
pass
if the sender's IP is between
208.88.138.68 and 208.88.138.68 (inclusive).
208.88.138.68 and 208.88.138.68 (inclusive).
CHR SOLUTIONS
AS47071
or else
ip4:
64.129.49.25 / 32
pass
if the sender's IP is between
64.129.49.25 and 64.129.49.25 (inclusive).
64.129.49.25 and 64.129.49.25 (inclusive).
Level 3 Parent
AS3549
or else
ip4:
66.231.212.4 / 32
pass
if the sender's IP is between
66.231.212.4 and 66.231.212.4 (inclusive).
66.231.212.4 and 66.231.212.4 (inclusive).
FirstLight Fiber
AS21547
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
_spf_cd.spamtitan.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com ip4:66.231.205.136 ip4:64.140.234.72 ip4:128.177.14.0/24 ip4:128.177.36.0/24 ip4:208.88.138.68 ip4:64.129.49.25 ip4:66.231.212.4 a:us.mailers.system-monitor.com a:corpmail.firstlight.net include:_spf_cd.spamtitan.com -all
6 x ip4 5 x ip6 -all
12 x ip4 -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