spf1.nuffieldhealth.com SPF record

4 / 10 Lookups

0 Issues

407,440 IPv4 addresses

2.97 ⋅ 10 ²⁸ IPv6 addresses


                              v=spf1 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:74.217.56.128/25 ip4:78.25.240.208/28 ip4:80.6.91.150 ip4:81.145.63.144/28 ip4:82.199.68.128/25 ip4:85.118.10.124/31 ip4:85.133.33.10 ip4:90.145.63.37 ip4:90.145.63.40 ip
                              4:94.245.112.0/27 ip4:94.245.120.64/26 ip4:95.172.66.128/25 ip4:103.9.8.121 ip4:103.9.8.122/31 ip4:104.20.51.156 ip4:104.20.52.156 ip4:108.177.8.0/21 ip4:108.177.96.0/19 ip4:168.245.39.108 ip4:167.89.118.52 ip4:109.123.97.3 ip4:109.123.97.4/31 ip4:109.123
                              .97.28 ip4:111.221.26.0/27 ip4:130.211.0.0/22 ip4:51.145.107.48 include:spf2.nuffieldhealth.com -all

Copied

Terms

ip4:

66.102.0.0 / 20

pass if the sender's IP is between
66.102.0.0 and 66.102.15.255 (inclusive).

Google

AS15169

or else

ip4:

66.249.80.0 / 20

pass if the sender's IP is between
66.249.80.0 and 66.249.95.255 (inclusive).

Google

AS15169

or else

ip4:

72.14.192.0 / 18

pass if the sender's IP is between
72.14.192.0 and 72.14.255.255 (inclusive).

Google

AS15169

or else

ip4:

74.125.0.0 / 16

pass if the sender's IP is between
74.125.0.0 and 74.125.255.255 (inclusive).

Google

AS15169

or else

ip4:

74.217.56.128 / 25

pass if the sender's IP is between
74.217.56.128 and 74.217.56.255 (inclusive).

Unitas Global

AS13789

or else

ip4:

78.25.240.208 / 28

pass if the sender's IP is between
78.25.240.208 and 78.25.240.223 (inclusive).

Digital Space Group

AS8607

or else

ip4:

80.6.91.150 / 32

pass if the sender's IP is between
80.6.91.150 and 80.6.91.150 (inclusive).

Virgin Media

AS5089

or else

ip4:

81.145.63.144 / 28

pass if the sender's IP is between
81.145.63.144 and 81.145.63.159 (inclusive).

British Telecommunications

AS2856

or else

ip4:

82.199.68.128 / 25

pass if the sender's IP is between
82.199.68.128 and 82.199.68.255 (inclusive).

Equinix (EMEA) Acquisition Enterprises

AS15830

or else

ip4:

85.118.10.124 / 31

pass if the sender's IP is between
85.118.10.124 and 85.118.10.125 (inclusive).

Redcentric Solutions

AS13009

or else

ip4:

85.133.33.10 / 32

pass if the sender's IP is between
85.133.33.10 and 85.133.33.10 (inclusive).

Adapt Services

AS24867

or else

ip4:

90.145.63.37 / 32

pass if the sender's IP is between
90.145.63.37 and 90.145.63.37 (inclusive).

Eurofiber UNET

AS29396

or else

ip4:

90.145.63.40 / 32

pass if the sender's IP is between
90.145.63.40 and 90.145.63.40 (inclusive).

Eurofiber UNET

AS29396

or else

ip4:

94.245.112.0 / 27

pass if the sender's IP is between
94.245.112.0 and 94.245.112.31 (inclusive).

Microsoft

AS8075

or else

ip4:

94.245.120.64 / 26

pass if the sender's IP is between
94.245.120.64 and 94.245.120.127 (inclusive).

Microsoft

AS8075

or else

ip4:

95.172.66.128 / 25

pass if the sender's IP is between
95.172.66.128 and 95.172.66.255 (inclusive).

Unitas Global

AS1828

or else

ip4:

103.9.8.121 / 32

pass if the sender's IP is between
103.9.8.121 and 103.9.8.121 (inclusive).

Shanghai Blue Cloud Technology Co.

AS58593

or else

ip4:

103.9.8.122 / 31

pass if the sender's IP is between
103.9.8.122 and 103.9.8.123 (inclusive).

Shanghai Blue Cloud Technology Co.

AS58593

or else

ip4:

104.20.51.156 / 32

pass if the sender's IP is between
104.20.51.156 and 104.20.51.156 (inclusive).

Cloudflare

AS13335

or else

ip4:

104.20.52.156 / 32

pass if the sender's IP is between
104.20.52.156 and 104.20.52.156 (inclusive).

Cloudflare

AS13335

or else

ip4:

108.177.8.0 / 21

pass if the sender's IP is between
108.177.8.0 and 108.177.15.255 (inclusive).

Google

AS15169

or else

ip4:

108.177.96.0 / 19

pass if the sender's IP is between
108.177.96.0 and 108.177.127.255 (inclusive).

Google

AS15169

or else

ip4:

168.245.39.108 / 32

pass if the sender's IP is between
168.245.39.108 and 168.245.39.108 (inclusive).

SendGrid

AS11377

or else

ip4:

167.89.118.52 / 32

pass if the sender's IP is between
167.89.118.52 and 167.89.118.52 (inclusive).

SendGrid

AS11377

or else

ip4:

109.123.97.3 / 32

pass if the sender's IP is between
109.123.97.3 and 109.123.97.3 (inclusive).

THG HOSTING

AS13213

or else

ip4:

109.123.97.4 / 31

pass if the sender's IP is between
109.123.97.4 and 109.123.97.5 (inclusive).

THG HOSTING

AS13213

or else

ip4:

109.123.97.28 / 32

pass if the sender's IP is between
109.123.97.28 and 109.123.97.28 (inclusive).

THG HOSTING

AS13213

or else

ip4:

111.221.26.0 / 27

pass if the sender's IP is between
111.221.26.0 and 111.221.26.31 (inclusive).

Microsoft

AS8075

or else

ip4:

130.211.0.0 / 22

pass if the sender's IP is between
130.211.0.0 and 130.211.3.255 (inclusive).

Google

AS396982

or else

ip4:

51.145.107.48 / 32

pass if the sender's IP is between
51.145.107.48 and 51.145.107.48 (inclusive).

Microsoft

AS8075

or else

include:

spf2.nuffieldhealth.com

Evaluate this SPF record and pass if it

passes.

or else

-all

fail the email's SPF check.

Included records

spf1.nuffieldhealth.com

v=spf1 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:74.217.56.128/25 ip4:78.25.240.208/28 ip4:80.6.91.150 ip4:81.145.63.144/28 ip4:82.199.68.128/25 ip4:85.118.10.124/31 ip4:85.133.33.10 ip4:90.145.63.37 ip4:90.145.63.40 ip4:94.245.112.0/27 ip4:94.245.120.64/26 ip4:95.172.66.128/25 ip4:103.9.8.121 ip4:103.9.8.122/31 ip4:104.20.51.156 ip4:104.20.52.156 ip4:108.177.8.0/21 ip4:108.177.96.0/19 ip4:168.245.39.108 ip4:167.89.118.52 ip4:109.123.97.3 ip4:109.123.97.4/31 ip4:109.123.97.28 ip4:111.221.26.0/27 ip4:130.211.0.0/22 ip4:51.145.107.48 include:spf2.nuffieldhealth.com -all

spf2.nuffieldhealth.com

29 x ip4 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

66.102.0.0 / 20

Google

AS15169

66.102.0.0 - 66.102.15.255

4,096 IP addresses

66.249.80.0 / 20

Google

AS15169

66.249.80.0 - 66.249.95.255

4,096 IP addresses

72.14.192.0 / 18

Google

AS15169

72.14.192.0 - 72.14.255.255

16,384 IP addresses

74.125.0.0 / 16

Google

AS15169

74.125.0.0 - 74.125.255.255

65,536 IP addresses

74.217.56.128 / 25

Unitas Global

AS13789

74.217.56.128 - 74.217.56.255

128 IP addresses

78.25.240.208 / 28

Digital Space Group

AS8607

78.25.240.208 - 78.25.240.223

16 IP addresses

80.6.91.150

Virgin Media

AS5089

81.145.63.144 / 28

British Telecommunications

AS2856

81.145.63.144 - 81.145.63.159

16 IP addresses

82.199.68.128 / 25

Equinix (EMEA) Acquisition Enterprises

AS15830

82.199.68.128 - 82.199.68.255

128 IP addresses

85.118.10.124 / 31

Redcentric Solutions

AS13009

85.118.10.124 - 85.118.10.125

2 IP addresses

85.133.33.10

Adapt Services

AS24867

90.145.63.37

Eurofiber UNET

AS29396

90.145.63.40

Eurofiber UNET

AS29396

94.245.112.0 / 27

Microsoft

AS8075

94.245.112.0 - 94.245.112.31

32 IP addresses

94.245.120.64 / 26

Microsoft

AS8075

94.245.120.64 - 94.245.120.127

64 IP addresses

95.172.66.128 / 25

Unitas Global

AS1828

95.172.66.128 - 95.172.66.255

128 IP addresses

103.9.8.121

Shanghai Blue Cloud Technology Co.

AS58593

103.9.8.122 / 31

Shanghai Blue Cloud Technology Co.

AS58593

103.9.8.122 - 103.9.8.123

2 IP addresses

104.20.51.156

Cloudflare

AS13335

104.20.52.156

Cloudflare

AS13335

108.177.8.0 / 21

Google

AS15169

108.177.8.0 - 108.177.15.255

2,048 IP addresses

108.177.96.0 / 19

Google

AS15169

108.177.96.0 - 108.177.127.255

8,192 IP addresses

168.245.39.108

SendGrid

AS11377

167.89.118.52

SendGrid

AS11377

109.123.97.3

THG HOSTING

AS13213

109.123.97.4 / 31

THG HOSTING

AS13213

109.123.97.4 - 109.123.97.5

2 IP addresses

109.123.97.28

THG HOSTING

AS13213

111.221.26.0 / 27

Microsoft

AS8075

111.221.26.0 - 111.221.26.31

32 IP addresses

130.211.0.0 / 22

Google

AS396982

130.211.0.0 - 130.211.3.255

1,024 IP addresses

51.145.107.48

Microsoft

AS8075

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