SPF Check:
eu.mailgun.org

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
Warning: Compliance breach for email deliverability & security

The domain eu.mailgun.org does not fulfil the requirements for optimal deliverability to Google, Yahoo and other email service providers.

Mandatory IT baseline protection measures for email security are not fulfilled. There are risks of email misuse.

Summary of the SPF check

Does a valid SPF record exist?
An SPF record was found for the domain eu.mailgun.org.
The SPF record for eu.mailgun.org 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, 11 IP address(es) were authorized by the SPF record to send emails.

The SPF record analysis was performed on 05.10.2024 at 22:51:36 clock.

Lookup for the domain:
eu.mailgun.org
IP address to be checked:
no IP address specified
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Evaluation for the domain eu.mailgun.org 

Nameserverset:
ns-2026.awsdns-61.co.uk
ns-1452.awsdns-53.org
ns-508.awsdns-63.com
ns-619.awsdns-13.net
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
141.193.32.0/23
AMAZON-02 blacklist 
159.135.140.80/29
Rackspace Ltd. blacklist 
159.135.132.128/25
Rackspace Ltd. blacklist 
161.38.204.0/22
AMAZON-02 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 
143.55.236.0/22
Mailjet SAS blacklist 
198.244.60.0/22
Mailjet SAS blacklist 
204.220.160.0/21
Mailjet SAS blacklist 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: eu.mailgun.org

SPF record available?

We found an SPF record for the domain.

v=spf1

Additional external SPF records

We could find other records authorized in the SPF record

include:_spf.eu.mailgun.org
v=spf1 ip4:141.193.32.0/23 ip4:159.135.140.80/29 ip4:159.135.132.128/25 ip4:161.38.204.0/22 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:143.55.236.0/22 ip4:198.244.60.0/22 ip4:204.220.160.0/21 ~all
ipv4:
141.193.32.0/23
ipv4:
159.135.140.80/29
ipv4:
159.135.132.128/25
ipv4:
161.38.204.0/22
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:
143.55.236.0/22
ipv4:
198.244.60.0/22
ipv4:
204.220.160.0/21

E-Mail handling

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

~all
SoftFail (non-compliant e-mails are accepted but marked)

Will be forwarded to another SPF record?

There is no reference to any other SPF record

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

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 )

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:

212.99.111.34.bc.googleusercontent.com

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