SPF Check:
iof.fraunhofer.de

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 failed

Your SPF record check result
  •   SPF record found
  •   Syntax check: 1 Error
  •   Email Spoofing Protection: Poor
Summary of the SPF check

Does a valid SPF record exist?
An SPF record was found for the domain iof.fraunhofer.de.
The SPF record for iof.fraunhofer.de is not valid.
The syntax check resulted in a total of 1 errors.
of the email -Spoofing protection for this domain is not or not sufficiently provided.

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, 24 IP address(es) were authorized by the SPF record to send emails.

The SPF record analysis was performed on 24.11.2024 at 19:37:35 clock.

Lookup for the domain:
iof.fraunhofer.de
IP address to be checked:
no IP address specified

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Evaluation for the domain iof.fraunhofer.de 

Nameserverset:
ns1.fraunhofer.de
ns2.fraunhofer.de
ns3.fraunhofer.de
ns5.fraunhofer.de
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
194.245.148.0/28
CSL Computer Service Langenbach GmbH blacklist 
78.46.6.131 Hetzner Online GmbH blacklist 
2a03:db80:4420:b000::/64
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. blacklist 
153.96.1.0/24
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. blacklist 
192.102.163.124 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. blacklist 
192.102.163.195 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. blacklist 
192.102.163.204 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. blacklist 
192.102.154.218 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. blacklist 
192.102.154.220 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. blacklist 
192.102.154.221 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. blacklist 
80.82.206.0/26
Orange Business Digital Germany GmbH blacklist 
185.98.184.0/24
uvensys GmbH blacklist 
195.66.99.135 Datagroup Se blacklist 
62.75.247.44 Host Europe GmbH blacklist 
212.227.89.57 IONOS SE blacklist 
217.160.226.166 IONOS SE blacklist 
82.165.193.1 IONOS SE blacklist 
85.25.144.9 velia.net Internetdienste GmbH blacklist 
54.194.192.132 AMAZON-02 blacklist 
87.79.30.25 NetCologne Gesellschaft fur Telekommunikation mbH blacklist 
87.79.30.30 NetCologne Gesellschaft fur Telekommunikation mbH blacklist 
91.217.141.0/24
Datagroup Se blacklist 
37.97.128.249 Signet B.V. blacklist 
2a01:7c8:aaae:626::/64
Signet B.V. blacklist 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: iof.fraunhofer.de

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:_spf.fraunhofer.de
v=spf1 ip4:194.245.148.0/28 ip4:78.46.6.131 include:_embdedge.fraunhofer.de include:_mailingwork.fraunhofer.de include:spf.qb-feedback.com include:_pitchandmatch.fraunhofer.de ~all
ipv4:
194.245.148.0/28
ipv4:
78.46.6.131
include:_embdedge.fraunhofer.de
v=spf1 ip6:2a03:db80:4420:b000::/64 ip4:153.96.1.0/24 ip4:192.102.163.124 ip4:192.102.163.195 ip4:192.102.163.204 ip4:192.102.154.218 ip4:192.102.154.220 ip4:192.102.154.221 ~all
ipv4:
153.96.1.0/24
ipv4:
192.102.163.124
ipv4:
192.102.163.195
ipv4:
192.102.163.204
ipv4:
192.102.154.218
ipv4:
192.102.154.220
ipv4:
192.102.154.221
ipv6:
2a03:db80:4420:b000::/64
include:_mailingwork.fraunhofer.de
v=spf1 ip4:80.82.206.0/26 ip4:185.98.184.0/24 ~all
ipv4:
80.82.206.0/26
ipv4:
185.98.184.0/24
include:spf.qb-feedback.com
v=spf1 ip4:195.66.99.135 ip4:62.75.247.44 ip4:212.227.89.57 ip4:217.160.226.166 ip4:82.165.193.1 ip4:85.25.144.9 ip4:54.194.192.132 ip4:87.79.30.25 ip4:87.79.30.30 include:spf2.qb-feedback.com ~all
ipv4:
195.66.99.135
ipv4:
62.75.247.44
ipv4:
212.227.89.57
ipv4:
217.160.226.166
ipv4:
82.165.193.1
ipv4:
85.25.144.9
ipv4:
54.194.192.132
ipv4:
87.79.30.25
ipv4:
87.79.30.30
include:spf2.qb-feedback.com
v=spf1 ip4:91.217.141.0/24 ~all
ipv4:
91.217.141.0/24
include:_pitchandmatch.fraunhofer.de
v=spf1 ip4:37.97.128.249 ip6:2a01:7c8:aaae:626::/64 ~all
ipv4:
37.97.128.249
ipv6:
2a01:7c8:aaae:626::/64

Additionally authorized A-records?

In addition to the A-records stored in the DNS, we were able to find further records authorized in the SPF-record

Are the server addresses allowed to send e-mails?

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

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:

192-102-162-236.vm.c.fraunhofer.de

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