6 / 10
Lookups
0
Issues
487,667
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 ip4:207.170.245.128/25 ip4:74.203.48.0/23 ip4:174.46.206.0/23 ip4:74.203.57.0/24 ip4:54.68.98.211 include:spf.protection
.outlook.com include:mail.zendesk.com include:usb._netblocks.mimecast.com include:spfa.cpmails.com a mx ~all
Copied
Terms
ip4:
207.170.245.128 / 25
pass
if the sender's IP is between
207.170.245.128 and 207.170.245.255 (inclusive).
207.170.245.128 and 207.170.245.255 (inclusive).
Level 3 Parent
AS3549
or else
ip4:
74.203.48.0 / 23
pass
if the sender's IP is between
74.203.48.0 and 74.203.49.255 (inclusive).
74.203.48.0 and 74.203.49.255 (inclusive).
Level 3 Parent
AS10753
or else
ip4:
174.46.206.0 / 23
pass
if the sender's IP is between
174.46.206.0 and 174.46.207.255 (inclusive).
174.46.206.0 and 174.46.207.255 (inclusive).
Level 3 Parent
AS10753
or else
ip4:
74.203.57.0 / 24
pass
if the sender's IP is between
74.203.57.0 and 74.203.57.255 (inclusive).
74.203.57.0 and 74.203.57.255 (inclusive).
Level 3 Parent
AS10753
or else
ip4:
54.68.98.211 / 32
pass
if the sender's IP is between
54.68.98.211 and 54.68.98.211 (inclusive).
54.68.98.211 and 54.68.98.211 (inclusive).
Amazon.com
AS16509
or else
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
include:
mail.zendesk.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Zendesk
Helpdesk
or else
include:
usb._netblocks.mimecast.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
include:
spfa.cpmails.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
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
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
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:207.170.245.128/25 ip4:74.203.48.0/23 ip4:174.46.206.0/23 ip4:74.203.57.0/24 ip4:54.68.98.211 include:spf.protection.outlook.com include:mail.zendesk.com include:usb._netblocks.mimecast.com include:spfa.cpmails.com a mx ~all
6 x ip4 5 x ip6 -all
5 x ip4 ~all
6 x ip4 ~all
23 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