spf2.nuffieldhealth.com SPF record

3 / 10 Lookups

0 Issues

305,502 IPv4 addresses

2.97 ⋅ 10 ²⁸ IPv6 addresses


                              v=spf1 ip4:31.221.83.247 ip4:65.55.234.192/26 ip4:131.253.121.20 ip4:131.253.121.52 ip4:134.170.140.0/24 ip4:136.146.128.69 ip4:136.146.128.70 ip4:136.146.128.77 ip4:136.146.128.78 ip4:157.55.234.0/24 ip4:157.56.110.0/23 ip4:157.56.112.0/24 ip4:167.220.67
                              .238 ip4:172.16.24.13 ip4:172.217.0.0/19 ip4:172.217.32.0/20 ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:87.246.80.15 ip4:87.246.78.141 ip4:173.194.0.0/16 ip4:185.34.209.0/24 ip4:188.95.97.240/29 ip4:207.46.50.192/26 ip4:207.46.51.6
                              4/26 ip4:207.46.100.0/24 ip4:207.46.163.0/24 ip4:207.46.200.0/27 include:spf3.nuffieldhealth.com -all

Copied

Terms

ip4:

31.221.83.247 / 32

pass if the sender's IP is between
31.221.83.247 and 31.221.83.247 (inclusive).

Exponential-E

AS25180

or else

ip4:

65.55.234.192 / 26

pass if the sender's IP is between
65.55.234.192 and 65.55.234.255 (inclusive).

Microsoft

AS8075

or else

ip4:

131.253.121.20 / 32

pass if the sender's IP is between
131.253.121.20 and 131.253.121.20 (inclusive).

Microsoft

AS8070

or else

ip4:

131.253.121.52 / 32

pass if the sender's IP is between
131.253.121.52 and 131.253.121.52 (inclusive).

Microsoft

AS8070

or else

ip4:

134.170.140.0 / 24

pass if the sender's IP is between
134.170.140.0 and 134.170.140.255 (inclusive).

Microsoft

AS8075

or else

ip4:

136.146.128.69 / 32

pass if the sender's IP is between
136.146.128.69 and 136.146.128.69 (inclusive).

Salesforce.com

AS14340

or else

ip4:

136.146.128.70 / 32

pass if the sender's IP is between
136.146.128.70 and 136.146.128.70 (inclusive).

Salesforce.com

AS14340

or else

ip4:

136.146.128.77 / 32

pass if the sender's IP is between
136.146.128.77 and 136.146.128.77 (inclusive).

Salesforce.com

AS14340

or else

ip4:

136.146.128.78 / 32

pass if the sender's IP is between
136.146.128.78 and 136.146.128.78 (inclusive).

Salesforce.com

AS14340

or else

ip4:

157.55.234.0 / 24

pass if the sender's IP is between
157.55.234.0 and 157.55.234.255 (inclusive).

Microsoft

AS8075

or else

ip4:

157.56.110.0 / 23

pass if the sender's IP is between
157.56.110.0 and 157.56.111.255 (inclusive).

Microsoft

AS8075

or else

ip4:

157.56.112.0 / 24

pass if the sender's IP is between
157.56.112.0 and 157.56.112.255 (inclusive).

Microsoft

AS8075

or else

ip4:

167.220.67.238 / 32

pass if the sender's IP is between
167.220.67.238 and 167.220.67.238 (inclusive).

Microsoft

AS3598

or else

ip4:

172.16.24.13 / 32

pass if the sender's IP is between
172.16.24.13 and 172.16.24.13 (inclusive).

or else

ip4:

172.217.0.0 / 19

pass if the sender's IP is between
172.217.0.0 and 172.217.31.255 (inclusive).

Google

AS15169

or else

ip4:

172.217.32.0 / 20

pass if the sender's IP is between
172.217.32.0 and 172.217.47.255 (inclusive).

Google

AS15169

or else

ip4:

172.217.128.0 / 19

pass if the sender's IP is between
172.217.128.0 and 172.217.159.255 (inclusive).

Google

AS15169

or else

ip4:

172.217.160.0 / 20

pass if the sender's IP is between
172.217.160.0 and 172.217.175.255 (inclusive).

Google

AS15169

or else

ip4:

172.217.192.0 / 19

pass if the sender's IP is between
172.217.192.0 and 172.217.223.255 (inclusive).

Google

AS15169

or else

ip4:

87.246.80.15 / 32

pass if the sender's IP is between
87.246.80.15 and 87.246.80.15 (inclusive).

Pulsant (Scotland)

AS12703

or else

ip4:

87.246.78.141 / 32

pass if the sender's IP is between
87.246.78.141 and 87.246.78.141 (inclusive).

Pulsant (Scotland)

AS12703

or else

ip4:

173.194.0.0 / 16

pass if the sender's IP is between
173.194.0.0 and 173.194.255.255 (inclusive).

Google

AS15169

or else

ip4:

185.34.209.0 / 24

pass if the sender's IP is between
185.34.209.0 and 185.34.209.255 (inclusive).

Redcentric Solutions

AS31463

or else

ip4:

188.95.97.240 / 29

pass if the sender's IP is between
188.95.97.240 and 188.95.97.247 (inclusive).

Equinix (EMEA) Acquisition Enterprises

AS15830

or else

ip4:

207.46.50.192 / 26

pass if the sender's IP is between
207.46.50.192 and 207.46.50.255 (inclusive).

Microsoft

AS8075

or else

ip4:

207.46.51.64 / 26

pass if the sender's IP is between
207.46.51.64 and 207.46.51.127 (inclusive).

Microsoft

AS8075

or else

ip4:

207.46.100.0 / 24

pass if the sender's IP is between
207.46.100.0 and 207.46.100.255 (inclusive).

Microsoft

AS8075

or else

ip4:

207.46.163.0 / 24

pass if the sender's IP is between
207.46.163.0 and 207.46.163.255 (inclusive).

Microsoft

AS8075

or else

ip4:

207.46.200.0 / 27

pass if the sender's IP is between
207.46.200.0 and 207.46.200.31 (inclusive).

Microsoft

AS8075

or else

include:

spf3.nuffieldhealth.com

Evaluate this SPF record and pass if it

passes.

or else

-all

fail the email's SPF check.

Included records

spf2.nuffieldhealth.com

v=spf1 ip4:31.221.83.247 ip4:65.55.234.192/26 ip4:131.253.121.20 ip4:131.253.121.52 ip4:134.170.140.0/24 ip4:136.146.128.69 ip4:136.146.128.70 ip4:136.146.128.77 ip4:136.146.128.78 ip4:157.55.234.0/24 ip4:157.56.110.0/23 ip4:157.56.112.0/24 ip4:167.220.67.238 ip4:172.16.24.13 ip4:172.217.0.0/19 ip4:172.217.32.0/20 ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:87.246.80.15 ip4:87.246.78.141 ip4:173.194.0.0/16 ip4:185.34.209.0/24 ip4:188.95.97.240/29 ip4:207.46.50.192/26 ip4:207.46.51.64/26 ip4:207.46.100.0/24 ip4:207.46.163.0/24 ip4:207.46.200.0/27 include:spf3.nuffieldhealth.com -all

spf3.nuffieldhealth.com

18 x ip4 8 x ip6 include:spf4.nuffieldhealth.com -all

spf4.nuffieldhealth.com

30 x ip4 include:spf5.nuffieldhealth.com -all

spf5.nuffieldhealth.com

31 x ip4 -all

IP ranges

31.221.83.247

Exponential-E

AS25180

65.55.234.192 / 26

Microsoft

AS8075

65.55.234.192 - 65.55.234.255

64 IP addresses

131.253.121.20

Microsoft

AS8070

131.253.121.52

Microsoft

AS8070

134.170.140.0 / 24

Microsoft

AS8075

134.170.140.0 - 134.170.140.255

256 IP addresses

136.146.128.69

Salesforce.com

AS14340

136.146.128.70

Salesforce.com

AS14340

136.146.128.77

Salesforce.com

AS14340

136.146.128.78

Salesforce.com

AS14340

157.55.234.0 / 24

Microsoft

AS8075

157.55.234.0 - 157.55.234.255

256 IP addresses

157.56.110.0 / 23

Microsoft

AS8075

157.56.110.0 - 157.56.111.255

512 IP addresses

157.56.112.0 / 24

Microsoft

AS8075

157.56.112.0 - 157.56.112.255

256 IP addresses

167.220.67.238

Microsoft

AS3598

172.16.24.13

Reserved IP

Private-Use ^[1]

172.217.0.0 / 19

Google

AS15169

172.217.0.0 - 172.217.31.255

8,192 IP addresses

172.217.32.0 / 20

Google

AS15169

172.217.32.0 - 172.217.47.255

4,096 IP addresses

172.217.128.0 / 19

Google

AS15169

172.217.128.0 - 172.217.159.255

8,192 IP addresses

172.217.160.0 / 20

Google

AS15169

172.217.160.0 - 172.217.175.255

4,096 IP addresses

172.217.192.0 / 19

Google

AS15169

172.217.192.0 - 172.217.223.255

8,192 IP addresses

87.246.80.15

Pulsant (Scotland)

AS12703

87.246.78.141

Pulsant (Scotland)

AS12703

173.194.0.0 / 16

Google

AS15169

173.194.0.0 - 173.194.255.255

65,536 IP addresses

185.34.209.0 / 24

Redcentric Solutions

AS31463

185.34.209.0 - 185.34.209.255

256 IP addresses

188.95.97.240 / 29

Equinix (EMEA) Acquisition Enterprises

AS15830

188.95.97.240 - 188.95.97.247

8 IP addresses

207.46.50.192 / 26

Microsoft

AS8075

207.46.50.192 - 207.46.50.255

64 IP addresses

207.46.51.64 / 26

Microsoft

AS8075

207.46.51.64 - 207.46.51.127

64 IP addresses

207.46.100.0 / 24

Microsoft

AS8075

207.46.100.0 - 207.46.100.255

256 IP addresses

207.46.163.0 / 24

Microsoft

AS8075

207.46.163.0 - 207.46.163.255

256 IP addresses

207.46.200.0 / 27

Microsoft

AS8075

207.46.200.0 - 207.46.200.31

32 IP addresses

207.138.148.0 / 28

Level 3 Parent

AS3549

207.138.148.0 - 207.138.148.15

16 IP addresses

209.85.128.0 / 17

Google

AS15169

209.85.128.0 - 209.85.255.255

32,768 IP addresses

209.137.135.192 / 26

KDDI America

AS4459

209.137.135.192 - 209.137.135.255

64 IP addresses

209.137.158.128 / 25

KDDI America

AS4459

209.137.158.128 - 209.137.158.255

128 IP addresses

212.11.71.246

Wavenet

AS21267

213.199.154.0 / 24

Microsoft

AS8075

213.199.154.0 - 213.199.154.255

256 IP addresses

213.199.180.128 / 26

Microsoft

AS8075

213.199.180.128 - 213.199.180.191

64 IP addresses

216.32.180.0 / 23

Microsoft

AS8075

216.32.180.0 - 216.32.181.255

512 IP addresses

216.58.192.0 / 19

Google

AS15169

216.58.192.0 - 216.58.223.255

8,192 IP addresses

216.239.32.0 / 19

Google

AS15169

216.239.32.0 - 216.239.63.255

8,192 IP addresses

2001:4860:4000:: / 36

Google

AS15169

2001:4860:4000::

2001:4860:4fff:ffff:ffff:ffff:ffff:ffff

2001:489a:2202:: / 48

Microsoft

AS8070

2001:489a:2202::

2001:489a:2202:ffff:ffff:ffff:ffff:ffff

2404:6800:4000:: / 36

Google

AS15169

2404:6800:4000::

2404:6800:4fff:ffff:ffff:ffff:ffff:ffff

2607:f8b0:4000:: / 36

Google

AS15169

2607:f8b0:4000::

2607:f8b0:4fff:ffff:ffff:ffff:ffff:ffff

2800:3f0:4000:: / 36

Google

AS15169

2800:3f0:4000::

2800:3f0:4fff:ffff:ffff:ffff:ffff:ffff

2a00:1450:4000:: / 36

Google

AS15169

2a00:1450:4000::

2a00:1450:4fff:ffff:ffff:ffff:ffff:ffff

2a01:111:f400:: / 48

Microsoft

AS8075

2a01:111:f400::

2a01:111:f400:ffff:ffff:ffff:ffff:ffff

2c0f:fb50:4000:: / 36

Google

AS15169

2c0f:fb50:4000::

2c0f:fb50:4fff:ffff:ffff:ffff:ffff:ffff

95.131.158.126

KDDI Europe

AS6894

80.79.139.62

Datahop - Six Degrees

AS6908

95.172.66.191

Unitas Global

AS1828

95.172.66.176

Unitas Global

AS1828

167.89.0.0 / 17

SendGrid

AS11377

167.89.0.0 - 167.89.127.255

32,768 IP addresses

208.117.48.0 / 20

SendGrid

AS11377

208.117.48.0 - 208.117.63.255

4,096 IP addresses

50.31.32.0 / 19

SendGrid

AS11377

50.31.32.0 - 50.31.63.255

8,192 IP addresses

198.37.144.0 / 20

SendGrid

AS11377

198.37.144.0 - 198.37.159.255

4,096 IP addresses

198.21.0.0 / 21

SendGrid

AS11377

198.21.0.0 - 198.21.7.255

2,048 IP addresses

192.254.112.0 / 20

SendGrid

AS11377

192.254.112.0 - 192.254.127.255

4,096 IP addresses

168.245.0.0 / 17

SendGrid

AS11377

168.245.0.0 - 168.245.127.255

32,768 IP addresses

149.72.0.0 / 16

Amazon.com

AS14618

149.72.0.0 - 149.72.255.255

65,536 IP addresses

67.214.175.75

Peninsula Fiber Network

AS46208

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

52.151.113.196

Microsoft

AS8075

51.145.97.224

Microsoft

AS8075

51.145.11.156

Microsoft

AS8075

10.150.98.119

Reserved IP

Private-Use ^[1]

10.150.99.80

Reserved IP

Private-Use ^[1]

96.126.113.160

Akamai Connected Cloud

AS63949

10.150.98.87

Reserved IP

Private-Use ^[1]

10.150.99.46

Reserved IP

Private-Use ^[1]

20.49.166.111

Microsoft

AS8075

20.49.169.133

Microsoft

AS8075

10.150.98.122

Reserved IP

Private-Use ^[1]

90.145.63.43

Eurofiber UNET

AS29396

54.240.7.28

Amazon.com

AS16509

20.49.144.1

Microsoft

AS8075

20.49.145.53

Microsoft

AS8075

20.49.146.7

Microsoft

AS8075

20.49.146.8

Microsoft

AS8075

20.49.145.46

Microsoft

AS8075

20.49.146.70

Microsoft

AS8075

51.11.178.96

Microsoft

AS8075

213.219.49.160

Equinix (EMEA) Acquisition Enterprises

AS15830

198.61.254.43

Rackspace Hosting

AS19994

10.244.145.68

Reserved IP

Private-Use ^[1]

52.151.111.107

Microsoft

AS8075

81.95.52.201

ITS Technology Group

AS41354

52.211.219.199

Amazon.com

AS16509

10.244.48.196

Reserved IP

Private-Use ^[1]

10.244.48.197

Reserved IP

Private-Use ^[1]

51.145.120.200

Microsoft

AS8075

51.145.121.4

Microsoft

AS8075

51.145.121.125

Microsoft

AS8075

20.49.142.207

Microsoft

AS8075

20.49.143.214

Microsoft

AS8075

51.141.116.86

Microsoft

AS8075

51.140.156.85

Microsoft

AS8075

51.140.139.53

Microsoft

AS8075

51.140.100.48

Microsoft

AS8075

20.50.36.122

Microsoft

AS8075

40.120.51.76

Microsoft

AS8075

37.17.215.38

Signet

AS28878

85.118.10.124

Redcentric Solutions

AS13009

3.11.255.247

Amazon.com

AS16509

18.133.38.197

Amazon.com

AS16509

18.135.187.34

Amazon.com

AS16509

3.9.129.122

Amazon.com

AS16509

34.149.236.64

Google

AS396982

130.117.140.246

Cogent Communications

AS174

69.72.43.9

Mailgun Technologies

AS396479

185.58.84.0 / 22

Mimecast Services

AS42427

185.58.84.0 - 185.58.87.255

1,024 IP addresses

51.140.53.155

Microsoft

AS8075

51.140.189.219

Microsoft

AS8075

51.104.18.86

Microsoft

AS8075

51.145.113.18

Microsoft

AS8075

51.140.141.93

Microsoft

AS8075