SPF Check:
vyos.io

1. Specify domain name

Enter a domain to be checked for the SPF record
2. Specify IP address (optional)
Enter any IP address to check if it is authorized to send e-mails by the SPF record

What is the SPF lookup for?

With the SPF lookup you analyze the SPF record of a domain for errors, security risks and authorized IP addresses. Optionally, you can specify an IP address to check if it is authorized to send e-mail on behalf of the domain. The SPF lookup analyzes registered TXT records in real time. If you want to specify an SPF record manually, use the SPF Analyzer.

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SPF check passed

Your SPF record check result
  •   SPF record found
  •   Syntax check: 0 errors
  •   Email Anti-Spoofing: Good
Summary of the SPF check

Does a valid SPF record exist?
An SPF record was found for the domain vyos.io.
The SPF record for vyos.io is valid.
The syntax check of the SPF record shows no obvious errors.

Which IP-s are legitimate to send emails?
The SPF record contains a reference to external rules, which means that the validity of the SPF record depends on at least one other domain. A detailed list of the rules used externally can be found in the analysis result. In total, 145 IP address(es) were authorized by the SPF record to send emails.

The SPF record analysis was performed on 28.11.2024 at 12:43:30 clock.

Lookup for the domain:
vyos.io
IP address to be checked:
no IP address specified
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Evaluation for the domain vyos.io 

Nameserverset:
igor.ns.cloudflare.com
sofia.ns.cloudflare.com
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
35.190.247.0/24
GOOGLE-CLOUD-PLATFORM blacklist 
64.233.160.0/19
GOOGLE blacklist 
66.102.0.0/20
GOOGLE blacklist 
66.249.80.0/20
GOOGLE blacklist 
72.14.192.0/18
GOOGLE blacklist 
74.125.0.0/16
GOOGLE blacklist 
108.177.8.0/21
GOOGLE blacklist 
173.194.0.0/16
GOOGLE blacklist 
209.85.128.0/17
GOOGLE blacklist 
216.58.192.0/19
GOOGLE blacklist 
216.239.32.0/19
GOOGLE blacklist 
2001:4860:4000::/36
GOOGLE blacklist 
2404:6800:4000::/36
GOOGLE blacklist 
2607:f8b0:4000::/36
GOOGLE blacklist 
2800:3f0:4000::/36
GOOGLE blacklist 
2a00:1450:4000::/36
GOOGLE blacklist 
2c0f:fb50:4000::/36
GOOGLE blacklist 
172.217.0.0/19
GOOGLE blacklist 
172.217.32.0/20
GOOGLE blacklist 
172.217.128.0/19
GOOGLE blacklist 
172.217.160.0/20
GOOGLE blacklist 
172.217.192.0/19
GOOGLE blacklist 
172.253.56.0/21
GOOGLE blacklist 
172.253.112.0/20
GOOGLE blacklist 
108.177.96.0/19
GOOGLE blacklist 
35.191.0.0/16
GOOGLE blacklist 
130.211.0.0/22
GOOGLE-CLOUD-PLATFORM blacklist 
167.89.0.0/17
SENDGRID blacklist 
208.117.48.0/20
SENDGRID blacklist 
50.31.32.0/19
SENDGRID blacklist 
198.37.144.0/20
SENDGRID blacklist 
198.21.0.0/21
SENDGRID blacklist 
192.254.112.0/20
SENDGRID blacklist 
168.245.0.0/17
SENDGRID blacklist 
149.72.0.0/16
AMAZON-AES blacklist 
159.183.0.0/16
SENDGRID blacklist 
223.165.113.0/24
SENDGRID blacklist 
223.165.115.0/24
SENDGRID blacklist 
223.165.118.0/23
SENDGRID blacklist 
223.165.120.0/23
SENDGRID blacklist 
34.198.193.174 AMAZON-AES blacklist 
34.202.174.188 AMAZON-AES blacklist 
34.199.167.230 AMAZON-AES blacklist 
52.203.5.138 AMAZON-AES blacklist 
3.91.171.64/28
AMAZON-AES blacklist 
3.219.176.96/29
AMAZON-AES blacklist 
3.222.0.112/29
AMAZON-AES blacklist 
3.222.0.24/29
AMAZON-AES blacklist 
3.222.0.88/29
AMAZON-AES blacklist 
3.235.255.160/29
AMAZON-AES blacklist 
3.238.137.128/30
AMAZON-AES blacklist 
44.192.35.0/24
AMAZON-AES blacklist 
18.235.53.110 AMAZON-AES blacklist 
54.159.173.91 AMAZON-AES blacklist 
35.158.71.15 AMAZON-02 blacklist 
35.158.67.243 AMAZON-02 blacklist 
3.120.181.192/28
AMAZON-02 blacklist 
3.76.65.248/29
AMAZON-02 blacklist 
3.72.201.96/29
AMAZON-02 blacklist 
18.156.147.178 AMAZON-02 blacklist 
18.158.161.97 AMAZON-02 blacklist 
3.64.95.16/29
AMAZON-02 blacklist 
3.65.246.112/29
AMAZON-02 blacklist 
3.72.33.56/29
AMAZON-02 blacklist 
18.153.184.112/29
AMAZON-02 blacklist 
18.153.154.192/29
AMAZON-02 blacklist 
18.199.180.160/29
AMAZON-02 blacklist 
13.127.153.86 AMAZON-02 blacklist 
52.66.154.99 AMAZON-02 blacklist 
13.127.210.61 AMAZON-02 blacklist 
3.7.25.40/29
AMAZON-02 blacklist 
3.7.196.96 AMAZON-02 blacklist 
3.7.127.96 AMAZON-02 blacklist 
65.0.37.204/30
AMAZON-02 blacklist 
43.204.166.128/29
AMAZON-02 blacklist 
65.1.103.160/29
AMAZON-02 blacklist 
65.2.2.76/30
AMAZON-02 blacklist 
13.200.142.88/29
AMAZON-02 blacklist 
13.200.142.120/29
AMAZON-02 blacklist 
13.201.195.128/28
AMAZON-02 blacklist 
3.25.47.0/29
AMAZON-02 blacklist 
52.62.151.40 AMAZON-02 blacklist 
13.237.4.248 AMAZON-02 blacklist 
13.211.56.237 AMAZON-02 blacklist 
3.26.58.204/30
AMAZON-02 blacklist 
54.252.22.127 AMAZON-02 blacklist 
54.206.207.130 AMAZON-02 blacklist 
3.26.82.216/29
AMAZON-02 blacklist 
3.26.88.88/29
AMAZON-02 blacklist 
3.26.88.244/30
AMAZON-02 blacklist 
3.106.23.176/29
AMAZON-02 blacklist 
3.107.43.16/28
AMAZON-02 blacklist 
3.93.157.0/24
AMAZON-AES blacklist 
3.210.190.0/24
AMAZON-AES blacklist 
18.208.124.128/25
AMAZON-AES blacklist 
54.174.52.0/24
AMAZON-AES blacklist 
54.174.57.0/24
AMAZON-AES blacklist 
54.174.59.0/24
AMAZON-AES blacklist 
54.174.60.0/23
AMAZON-AES blacklist 
54.174.63.0/24
AMAZON-AES blacklist 
108.179.144.0/20
AMAZON-02 blacklist 
139.180.17.0/24
AMAZON-AES blacklist 
141.193.184.32/27
AMAZON-AES blacklist 
141.193.184.64/26
AMAZON-AES blacklist 
141.193.184.128/25
AMAZON-AES blacklist 
141.193.185.32/27
AMAZON-02 blacklist 
141.193.185.64/26
AMAZON-02 blacklist 
141.193.185.128/25
AMAZON-02 blacklist 
143.244.80.0/20
AMAZON-AES blacklist 
158.247.16.0/20
AMAZON-AES blacklist 
216.139.64.0/19
AMAZON-02 blacklist 
209.61.151.0/24
RMH-14 blacklist 
166.78.68.0/22
RACKSPACE blacklist 
198.61.254.0/23
RACKSPACE blacklist 
192.237.158.0/23
RACKSPACE blacklist 
23.253.182.0/23
RACKSPACE blacklist 
104.130.96.0/28
RACKSPACE blacklist 
146.20.113.0/24
RACKSPACE blacklist 
146.20.191.0/24
RACKSPACE blacklist 
159.135.224.0/20
MAILGUN blacklist 
69.72.32.0/20
MAILGUN blacklist 
104.130.122.0/23
RACKSPACE blacklist 
146.20.112.0/26
RACKSPACE blacklist 
161.38.192.0/20
MAILGUN blacklist 
143.55.224.0/20
MAILGUN blacklist 
159.112.240.0/20
MAILGUN blacklist 
198.244.48.0/20
MAILGUN blacklist 
204.220.160.0/19
Mailjet SAS blacklist 
141.193.32.0/23
AMAZON-02 blacklist 
159.135.140.80/29
Rackspace Ltd. blacklist 
159.135.132.128/25
Rackspace Ltd. blacklist 
87.253.232.0/21
Mailjet SAS blacklist 
185.189.236.0/22
Mailjet SAS blacklist 
185.211.120.0/22
Mailjet SAS blacklist 
185.250.236.0/22
Mailjet SAS blacklist 
199.255.192.0/22
AMAZON-02 blacklist 
199.127.232.0/22
AMAZON-02 blacklist 
54.240.0.0/17
AMAZON-02 blacklist 
69.169.224.0/20
AMAZON-02 blacklist 
23.249.208.0/20
AMAZON-02 blacklist 
23.251.224.0/19
AMAZON-02 blacklist 
76.223.176.0/20
AMAZON-02 blacklist 
76.223.128.0/19
AMAZON-02 blacklist 
216.221.160.0/19
AMAZON-02 blacklist 
206.55.144.0/20
AMAZON-02 blacklist 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: vyos.io

SPF record available?

We found an SPF record for the domain.

v=spf1

Will be forwarded to another SPF record?

There is an SPF record that refers to another SPF record Additional entries in this record are therefore ignored.

redirect:_srcqpftrh.sdmarc.net
v=spf1 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 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 include:_srcqpftrh0.sdmarc.net -all
ipv4:
35.190.247.0/24
ipv4:
64.233.160.0/19
ipv4:
66.102.0.0/20
ipv4:
66.249.80.0/20
ipv4:
72.14.192.0/18
ipv4:
74.125.0.0/16
ipv4:
108.177.8.0/21
ipv4:
173.194.0.0/16
ipv4:
209.85.128.0/17
ipv4:
216.58.192.0/19
ipv4:
216.239.32.0/19
ipv4:
172.217.0.0/19
ipv4:
172.217.32.0/20
ipv4:
172.217.128.0/19
ipv4:
172.217.160.0/20
ipv4:
172.217.192.0/19
ipv6:
2001:4860:4000::/36
ipv6:
2404:6800:4000::/36
ipv6:
2607:f8b0:4000::/36
ipv6:
2800:3f0:4000::/36
ipv6:
2a00:1450:4000::/36
ipv6:
2c0f:fb50:4000::/36
include:_srcqpftrh0.sdmarc.net
v=spf1 ip4:172.253.56.0/21 ip4:172.253.112.0/20 ip4:108.177.96.0/19 ip4:35.191.0.0/16 ip4:130.211.0.0/22 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:223.165.113.0/24 ip4:223.165.115.0/24 ip4:223.165.118.0/23 ip4:223.165.120.0/23 ip4:34.198.193.174 ip4:34.202.174.188 ip4:34.199.167.230 ip4:52.203.5.138 ip4:3.91.171.64/28 ip4:3.219.176.96/29 include:_srcqpftrh1.sdmarc.net ~all
ipv4:
172.253.56.0/21
ipv4:
172.253.112.0/20
ipv4:
108.177.96.0/19
ipv4:
35.191.0.0/16
ipv4:
130.211.0.0/22
ipv4:
167.89.0.0/17
ipv4:
208.117.48.0/20
ipv4:
50.31.32.0/19
ipv4:
198.37.144.0/20
ipv4:
198.21.0.0/21
ipv4:
192.254.112.0/20
ipv4:
168.245.0.0/17
ipv4:
149.72.0.0/16
ipv4:
159.183.0.0/16
ipv4:
223.165.113.0/24
ipv4:
223.165.115.0/24
ipv4:
223.165.118.0/23
ipv4:
223.165.120.0/23
ipv4:
34.198.193.174
ipv4:
34.202.174.188
ipv4:
34.199.167.230
ipv4:
52.203.5.138
ipv4:
3.91.171.64/28
ipv4:
3.219.176.96/29
include:_srcqpftrh1.sdmarc.net
v=spf1 ip4:3.222.0.112/29 ip4:3.222.0.24/29 ip4:3.222.0.88/29 ip4:3.235.255.160/29 ip4:3.238.137.128/30 ip4:44.192.35.0/24 ip4:18.235.53.110 ip4:54.159.173.91 ip4:35.158.71.15 ip4:35.158.67.243 ip4:3.120.181.192/28 ip4:3.76.65.248/29 ip4:3.72.201.96/29 ip4:18.156.147.178 ip4:18.158.161.97 ip4:3.64.95.16/29 ip4:3.65.246.112/29 ip4:3.72.33.56/29 ip4:18.153.184.112/29 ip4:18.153.154.192/29 ip4:18.199.180.160/29 ip4:13.127.153.86 ip4:52.66.154.99 ip4:13.127.210.61 include:_srcqpftrh2.sdmarc.net ~all
ipv4:
3.222.0.112/29
ipv4:
3.222.0.24/29
ipv4:
3.222.0.88/29
ipv4:
3.235.255.160/29
ipv4:
3.238.137.128/30
ipv4:
44.192.35.0/24
ipv4:
18.235.53.110
ipv4:
54.159.173.91
ipv4:
35.158.71.15
ipv4:
35.158.67.243
ipv4:
3.120.181.192/28
ipv4:
3.76.65.248/29
ipv4:
3.72.201.96/29
ipv4:
18.156.147.178
ipv4:
18.158.161.97
ipv4:
3.64.95.16/29
ipv4:
3.65.246.112/29
ipv4:
3.72.33.56/29
ipv4:
18.153.184.112/29
ipv4:
18.153.154.192/29
ipv4:
18.199.180.160/29
ipv4:
13.127.153.86
ipv4:
52.66.154.99
ipv4:
13.127.210.61
include:_srcqpftrh2.sdmarc.net
v=spf1 ip4:3.7.25.40/29 ip4:3.7.196.96 ip4:3.7.127.96 ip4:65.0.37.204/30 ip4:43.204.166.128/29 ip4:65.1.103.160/29 ip4:65.2.2.76/30 ip4:13.200.142.88/29 ip4:13.200.142.120/29 ip4:13.201.195.128/28 ip4:3.25.47.0/29 ip4:52.62.151.40 ip4:13.237.4.248 ip4:13.211.56.237 ip4:3.26.58.204/30 ip4:54.252.22.127 ip4:54.206.207.130 ip4:3.26.82.216/29 ip4:3.26.88.88/29 ip4:3.26.88.244/30 ip4:3.106.23.176/29 ip4:3.107.43.16/28 ip4:3.93.157.0/24 ip4:3.210.190.0/24 include:_srcqpftrh3.sdmarc.net ~all
ipv4:
3.7.25.40/29
ipv4:
3.7.196.96
ipv4:
3.7.127.96
ipv4:
65.0.37.204/30
ipv4:
43.204.166.128/29
ipv4:
65.1.103.160/29
ipv4:
65.2.2.76/30
ipv4:
13.200.142.88/29
ipv4:
13.200.142.120/29
ipv4:
13.201.195.128/28
ipv4:
3.25.47.0/29
ipv4:
52.62.151.40
ipv4:
13.237.4.248
ipv4:
13.211.56.237
ipv4:
3.26.58.204/30
ipv4:
54.252.22.127
ipv4:
54.206.207.130
ipv4:
3.26.82.216/29
ipv4:
3.26.88.88/29
ipv4:
3.26.88.244/30
ipv4:
3.106.23.176/29
ipv4:
3.107.43.16/28
ipv4:
3.93.157.0/24
ipv4:
3.210.190.0/24
include:_srcqpftrh3.sdmarc.net
v=spf1 ip4:18.208.124.128/25 ip4:54.174.52.0/24 ip4:54.174.57.0/24 ip4:54.174.59.0/24 ip4:54.174.60.0/23 ip4:54.174.63.0/24 ip4:108.179.144.0/20 ip4:139.180.17.0/24 ip4:141.193.184.32/27 ip4:141.193.184.64/26 ip4:141.193.184.128/25 ip4:141.193.185.32/27 ip4:141.193.185.64/26 ip4:141.193.185.128/25 ip4:143.244.80.0/20 ip4:158.247.16.0/20 ip4:216.139.64.0/19 ip4:209.61.151.0/24 ip4:166.78.68.0/22 ip4:198.61.254.0/23 ip4:192.237.158.0/23 ip4:23.253.182.0/23 include:_srcqpftrh4.sdmarc.net ~all
ipv4:
18.208.124.128/25
ipv4:
54.174.52.0/24
ipv4:
54.174.57.0/24
ipv4:
54.174.59.0/24
ipv4:
54.174.60.0/23
ipv4:
54.174.63.0/24
ipv4:
108.179.144.0/20
ipv4:
139.180.17.0/24
ipv4:
141.193.184.32/27
ipv4:
141.193.184.64/26
ipv4:
141.193.184.128/25
ipv4:
141.193.185.32/27
ipv4:
141.193.185.64/26
ipv4:
141.193.185.128/25
ipv4:
143.244.80.0/20
ipv4:
158.247.16.0/20
ipv4:
216.139.64.0/19
ipv4:
209.61.151.0/24
ipv4:
166.78.68.0/22
ipv4:
198.61.254.0/23
ipv4:
192.237.158.0/23
ipv4:
23.253.182.0/23
include:_srcqpftrh4.sdmarc.net
v=spf1 ip4:104.130.96.0/28 ip4:146.20.113.0/24 ip4:146.20.191.0/24 ip4:159.135.224.0/20 ip4:69.72.32.0/20 ip4:104.130.122.0/23 ip4:146.20.112.0/26 ip4:161.38.192.0/20 ip4:143.55.224.0/20 ip4:159.112.240.0/20 ip4:198.244.48.0/20 ip4:204.220.160.0/19 ip4:141.193.32.0/23 ip4:159.135.140.80/29 ip4:159.135.132.128/25 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/17 include:_srcqpftrh5.sdmarc.net ~all
ipv4:
104.130.96.0/28
ipv4:
146.20.113.0/24
ipv4:
146.20.191.0/24
ipv4:
159.135.224.0/20
ipv4:
69.72.32.0/20
ipv4:
104.130.122.0/23
ipv4:
146.20.112.0/26
ipv4:
161.38.192.0/20
ipv4:
143.55.224.0/20
ipv4:
159.112.240.0/20
ipv4:
198.244.48.0/20
ipv4:
204.220.160.0/19
ipv4:
141.193.32.0/23
ipv4:
159.135.140.80/29
ipv4:
159.135.132.128/25
ipv4:
87.253.232.0/21
ipv4:
185.189.236.0/22
ipv4:
185.211.120.0/22
ipv4:
185.250.236.0/22
ipv4:
199.255.192.0/22
ipv4:
199.127.232.0/22
ipv4:
54.240.0.0/17
include:_srcqpftrh5.sdmarc.net
v=spf1 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ~all
ipv4:
69.169.224.0/20
ipv4:
23.249.208.0/20
ipv4:
23.251.224.0/19
ipv4:
76.223.176.0/20
ipv4:
76.223.128.0/19
ipv4:
216.221.160.0/19
ipv4:
206.55.144.0/20

Are the server addresses allowed to send e-mails?

In the SPF entry the mechanism 'a' has not been set.

Additionally authorized A-records?

In addition to the A-Records stored in the DNS, we could not find any other records authorized in the SPF-Record.

Are the registered mail servers allowed to send e-mails?

In the SPF entry the mechanism 'mx' has not been set

Additionally authorized MX records

We could not find any other records authorized in the SPF record besides the MX records stored in the DNS

Additionally authorized IPv4 addresses

No explicit IPv4 addresses in the SPF record have been authorised to send

Additionally authorized IPv6 addresses

No explicit IPv6 addresses in the SPF record have been authorised to send

Additional external SPF records

We could not find any other records authorized in SPF-Record

How is the sender informed?

The exp mechanism acts as a return to the sender if the IP address was not authorized to send and notify them. None was found.

PTR (obsolete mechanism)

The ptr mechanism is deprecated, slow and insecure and should not be used

PTR:

The ptr mechanism is deprecated, slow and insecure and should not be used

Authorize IP addresses with markers

When SPF is evaluated, macros can specifically authorize Ip addresses based on the request or connection of the user or client (RFC7208 )

E-Mail handling

How should the checkHost() function of the e-mail server handle the e-mail? (syntax )

Receiver address

analysis.ra-missing

Amount of reports

analysis.rp-missing

Report selection

analysis.rr-missing

Unknown mechanisms

No unknown mechanisms were found in the SPF record.

Recently performed SPF lookups

Server IP Address

We have determined the following IP address for the domain:

No domain specified

Reverse address

We have determined the following name for the server IP address:

172.67.73.43

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  • Checklist with 53 questions on 14 risk areas

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