8 / 10
Lookups
0
Issues
1,497,607
IPv4 addresses
2.97 â‹… 10
28
IPv6 addresses
v=spf1 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:40.92.0.0/14 ip4:51.132.40.235 ip4:20.49.241.143 ip4:20.49.241.149 ip4:20.49.172.135 ip4:35.191.0.0/16 ip4:42.159.163.81 ip4:42.159.163.82/31 ip4:50.31.37.23 ip4:50.31.53.62 ip4:51.4.71.62 ip4:51.140.109.121
ip4:54.251.151.226/31 ip4:54.251.151.228/31 ip4:64.233.160.0/19 ip4:65.54.121.124/31 ip4:65.55.52.224/27 ip4:65.55.81.54/31 ip4:65.55.88.0/24 ip4:65.55.169.0/24 ip4:81.95.52.192/26 ip4:10.250.160.42 ip4:37.17.215.43 ip4:40.80.218.211 ip4:10.150.98.22
include:spf.protection.outlook.com include:_spf.salesforce.com include:spf1.nuffieldhealth.com -all
Copied
Terms
ip4:
52.100.0.0 / 14
pass
if the sender's IP is between
52.100.0.0 and 52.103.255.255 (inclusive).
52.100.0.0 and 52.103.255.255 (inclusive).
Microsoft
AS8075
or else
ip4:
104.47.0.0 / 17
pass
if the sender's IP is between
104.47.0.0 and 104.47.127.255 (inclusive).
104.47.0.0 and 104.47.127.255 (inclusive).
Microsoft
AS8075
or else
ip4:
40.92.0.0 / 14
pass
if the sender's IP is between
40.92.0.0 and 40.95.255.255 (inclusive).
40.92.0.0 and 40.95.255.255 (inclusive).
Microsoft
AS8075
or else
ip4:
51.132.40.235 / 32
pass
if the sender's IP is between
51.132.40.235 and 51.132.40.235 (inclusive).
51.132.40.235 and 51.132.40.235 (inclusive).
Microsoft
AS8075
or else
ip4:
20.49.241.143 / 32
pass
if the sender's IP is between
20.49.241.143 and 20.49.241.143 (inclusive).
20.49.241.143 and 20.49.241.143 (inclusive).
Microsoft
AS8075
or else
ip4:
20.49.241.149 / 32
pass
if the sender's IP is between
20.49.241.149 and 20.49.241.149 (inclusive).
20.49.241.149 and 20.49.241.149 (inclusive).
Microsoft
AS8075
or else
ip4:
20.49.172.135 / 32
pass
if the sender's IP is between
20.49.172.135 and 20.49.172.135 (inclusive).
20.49.172.135 and 20.49.172.135 (inclusive).
Microsoft
AS8075
or else
ip4:
35.191.0.0 / 16
pass
if the sender's IP is between
35.191.0.0 and 35.191.255.255 (inclusive).
35.191.0.0 and 35.191.255.255 (inclusive).
Google
AS396982
or else
ip4:
42.159.163.81 / 32
pass
if the sender's IP is between
42.159.163.81 and 42.159.163.81 (inclusive).
42.159.163.81 and 42.159.163.81 (inclusive).
Shanghai Blue Cloud Technology Co.
AS58593
or else
ip4:
42.159.163.82 / 31
pass
if the sender's IP is between
42.159.163.82 and 42.159.163.83 (inclusive).
42.159.163.82 and 42.159.163.83 (inclusive).
Shanghai Blue Cloud Technology Co.
AS58593
or else
ip4:
50.31.37.23 / 32
pass
if the sender's IP is between
50.31.37.23 and 50.31.37.23 (inclusive).
50.31.37.23 and 50.31.37.23 (inclusive).
SendGrid
AS11377
or else
ip4:
50.31.53.62 / 32
pass
if the sender's IP is between
50.31.53.62 and 50.31.53.62 (inclusive).
50.31.53.62 and 50.31.53.62 (inclusive).
SendGrid
AS11377
or else
ip4:
51.4.71.62 / 32
pass
if the sender's IP is between
51.4.71.62 and 51.4.71.62 (inclusive).
51.4.71.62 and 51.4.71.62 (inclusive).
Microsoft
AS8075
or else
ip4:
51.140.109.121 / 32
pass
if the sender's IP is between
51.140.109.121 and 51.140.109.121 (inclusive).
51.140.109.121 and 51.140.109.121 (inclusive).
Microsoft
AS8075
or else
ip4:
54.251.151.226 / 31
pass
if the sender's IP is between
54.251.151.226 and 54.251.151.227 (inclusive).
54.251.151.226 and 54.251.151.227 (inclusive).
Amazon.com
AS16509
or else
ip4:
54.251.151.228 / 31
pass
if the sender's IP is between
54.251.151.228 and 54.251.151.229 (inclusive).
54.251.151.228 and 54.251.151.229 (inclusive).
Amazon.com
AS16509
or else
ip4:
64.233.160.0 / 19
pass
if the sender's IP is between
64.233.160.0 and 64.233.191.255 (inclusive).
64.233.160.0 and 64.233.191.255 (inclusive).
Google
AS15169
or else
ip4:
65.54.121.124 / 31
pass
if the sender's IP is between
65.54.121.124 and 65.54.121.125 (inclusive).
65.54.121.124 and 65.54.121.125 (inclusive).
Microsoft
AS8075
or else
ip4:
65.55.52.224 / 27
pass
if the sender's IP is between
65.55.52.224 and 65.55.52.255 (inclusive).
65.55.52.224 and 65.55.52.255 (inclusive).
Microsoft
AS8075
or else
ip4:
65.55.81.54 / 31
pass
if the sender's IP is between
65.55.81.54 and 65.55.81.55 (inclusive).
65.55.81.54 and 65.55.81.55 (inclusive).
Microsoft
AS8075
or else
ip4:
65.55.88.0 / 24
pass
if the sender's IP is between
65.55.88.0 and 65.55.88.255 (inclusive).
65.55.88.0 and 65.55.88.255 (inclusive).
Microsoft
AS8075
or else
ip4:
65.55.169.0 / 24
pass
if the sender's IP is between
65.55.169.0 and 65.55.169.255 (inclusive).
65.55.169.0 and 65.55.169.255 (inclusive).
Microsoft
AS8075
or else
ip4:
81.95.52.192 / 26
pass
if the sender's IP is between
81.95.52.192 and 81.95.52.255 (inclusive).
81.95.52.192 and 81.95.52.255 (inclusive).
ITS Technology Group
AS41354
or else
ip4:
10.250.160.42 / 32
pass
if the sender's IP is between
10.250.160.42 and 10.250.160.42 (inclusive).
10.250.160.42 and 10.250.160.42 (inclusive).
or else
ip4:
37.17.215.43 / 32
pass
if the sender's IP is between
37.17.215.43 and 37.17.215.43 (inclusive).
37.17.215.43 and 37.17.215.43 (inclusive).
Signet
AS28878
or else
ip4:
40.80.218.211 / 32
pass
if the sender's IP is between
40.80.218.211 and 40.80.218.211 (inclusive).
40.80.218.211 and 40.80.218.211 (inclusive).
Microsoft
AS8075
or else
ip4:
10.150.98.22 / 32
pass
if the sender's IP is between
10.150.98.22 and 10.150.98.22 (inclusive).
10.150.98.22 and 10.150.98.22 (inclusive).
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:
_spf.salesforce.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Salesforce
CRM
or else
include:
spf1.nuffieldhealth.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 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:40.92.0.0/14 ip4:51.132.40.235 ip4:20.49.241.143 ip4:20.49.241.149 ip4:20.49.172.135 ip4:35.191.0.0/16 ip4:42.159.163.81 ip4:42.159.163.82/31 ip4:50.31.37.23 ip4:50.31.53.62 ip4:51.4.71.62 ip4:51.140.109.121 ip4:54.251.151.226/31 ip4:54.251.151.228/31 ip4:64.233.160.0/19 ip4:65.54.121.124/31 ip4:65.55.52.224/27 ip4:65.55.81.54/31 ip4:65.55.88.0/24 ip4:65.55.169.0/24 ip4:81.95.52.192/26 ip4:10.250.160.42 ip4:37.17.215.43 ip4:40.80.218.211 ip4:10.150.98.22 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf1.nuffieldhealth.com -all
6 x ip4 5 x ip6 -all
exists:%{i}._spf.mta.salesforce.com -all
30 x ip4 include:spf2.nuffieldhealth.com -all
29 x ip4 include:spf3.nuffieldhealth.com -all
18 x ip4 8 x ip6 include:spf4.nuffieldhealth.com -all
30 x ip4 include:spf5.nuffieldhealth.com -all
31 x ip4 -all
IP ranges
42.159.163.82
/ 31
Shanghai Blue Cloud Technology Co.
AS58593
42.159.163.82 - 42.159.163.83
2 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
82.199.68.128
/ 25
Equinix (EMEA) Acquisition Enterprises
AS15830
82.199.68.128 - 82.199.68.255
128 IP addresses
103.9.8.122
/ 31
Shanghai Blue Cloud Technology Co.
AS58593
103.9.8.122 - 103.9.8.123
2 IP addresses
188.95.97.240
/ 29
Equinix (EMEA) Acquisition Enterprises
AS15830
188.95.97.240 - 188.95.97.247
8 IP addresses
51.163.163.176
/ 28
Digital Realty Netherlands
AS47973
51.163.163.176 - 51.163.163.191
16 IP addresses
82.199.68.176
/ 28
Equinix (EMEA) Acquisition Enterprises
AS15830
82.199.68.176 - 82.199.68.191
16 IP addresses