18 / 10
Lookups
2
Issues
1,075,962
IPv4 addresses
1.99 â‹… 10
28
IPv6 addresses
There are 2 issues with this SPF record
- More than 10 DNS lookups were required to process this SPF record.
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx IP4:65.55.171.153 include:spf.messaging.microsoft.com include:act-on.net include:mktomail.com ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
ip4:
65.55.171.153 / 32
pass
if the sender's IP is between
65.55.171.153 and 65.55.171.153 (inclusive).
65.55.171.153 and 65.55.171.153 (inclusive).
Microsoft
AS8075
or else
include:
spf.messaging.microsoft.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:
act-on.net
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:
mktomail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Marketo
Marketing automation
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ip4:65.55.171.153 include:spf.messaging.microsoft.com include:act-on.net include:mktomail.com ~all
More than 10 DNS lookups were required to process this SPF record
include:spf.protection.outlook.com include:spf.protection.office365.us include:spf.protection.partner.outlook.cn include:spf.protection.outlook.de -all
6 x ip4 5 x ip6 -all
4 x ip4 3 x ip6 -all
9 x ip4 include:spfa.protection.partner.outlook.cn -all
4 x ip6 1 x ip4 -all
4 x ip4 4 x ip6 include:spf.protection.outlook.com -all
6 x ip4 5 x ip6 -all
include:_netblocks.act-on.net include:_spf.google.com include:mail.zendesk.com include:_greenview-spf.act-on.net include:_roinnovations.act-on.net include:spf.mandrillapp.com ~all
10 x ip4 -all
2 x ip4 6 x ip6 ~all
5 x ip4 ~all
10 x ip4 a:mailers.greenviewdata.com ptr:zixmail.net ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
1 x ip4 ~all
12 x ip4 ~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
Microsoft
AS8070
2001:489a:2202:2000::
2001:489a:2202:2001:ffff:ffff:ffff:ffff
42.159.33.192
/ 27
Shanghai Blue Cloud Technology Co.
AS58593
42.159.33.192 - 42.159.33.223
32 IP addresses
42.159.161.192
/ 27
Shanghai Blue Cloud Technology Co.
AS58593
42.159.161.192 - 42.159.161.223
32 IP addresses
42.159.164.0
/ 24
Shanghai Blue Cloud Technology Co.
AS58593
42.159.164.0 - 42.159.164.255
256 IP addresses
42.159.36.0
/ 24
Shanghai Blue Cloud Technology Co.
AS58593
42.159.36.0 - 42.159.36.255
256 IP addresses
139.219.16.0
/ 27
Shanghai Blue Cloud Technology Co.
AS58593
139.219.16.0 - 139.219.16.31
32 IP addresses
139.219.17.0
/ 24
Shanghai Blue Cloud Technology Co.
AS58593
139.219.17.0 - 139.219.17.255
256 IP addresses
139.219.145.0
/ 27
Shanghai Blue Cloud Technology Co.
AS58593
139.219.145.0 - 139.219.145.31
32 IP addresses
139.219.146.0
/ 24
Shanghai Blue Cloud Technology Co.
AS58593
139.219.146.0 - 139.219.146.255
256 IP addresses
139.219.24.0
/ 22
Shanghai Blue Cloud Technology Co.
AS58593
139.219.24.0 - 139.219.27.255
1,024 IP addresses
2406:e500:4440::
/ 43
Shanghai Blue Cloud Technology Co.
AS58593
2406:e500:4440::
2406:e500:445f:ffff:ffff:ffff:ffff:ffff
2406:e500:4420::
/ 43
Shanghai Blue Cloud Technology Co.
AS58593
2406:e500:4420::
2406:e500:443f:ffff:ffff:ffff:ffff:ffff
139.219.156.0
/ 22
Shanghai Blue Cloud Technology Co.
AS58593
139.219.156.0 - 139.219.159.255
1,024 IP addresses
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
72.46.76.0
/ 22
Equinix (EMEA) Acquisition Enterprises
AS15830
72.46.76.0 - 72.46.79.255
1,024 IP addresses
204.156.176.0
/ 23
Equinix (EMEA) Acquisition Enterprises
AS15830
204.156.176.0 - 204.156.177.255
512 IP addresses
209.222.65.0
/ 24
Equinix (EMEA) Acquisition Enterprises
AS15830
209.222.65.0 - 209.222.65.255
256 IP addresses
209.222.66.0
/ 23
Equinix (EMEA) Acquisition Enterprises
AS15830
209.222.66.0 - 209.222.67.255
512 IP addresses
216.41.143.0
/ 24
Equinix (EMEA) Acquisition Enterprises
AS15830
216.41.143.0 - 216.41.143.255
256 IP addresses