SPF Check: uetze.de

Check SPF record for uetze.de: ⊳Does a valid SPF record exist? ⊳What does it do? ⊳Which IPs are legitimate to send emails?

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Lookup for the domain:
uetze.de
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Summary
An SPF record was found for the domain uetze.de. The syntax check resulted in a total 8 error. The SPF record for uetze.de is not valid. The e-mail spoofing protection for this domain is not or not sufficiently available. 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 externally used "includes" can be found in the analysis result. In total 30 IP address(es) were authorized by the SPF record to send emails. 21 of which are not considered by the evaluation of the mail transfer agent and are not authorized to send emails on behalf of the domain. The SPF record analysis was performed on 29.10.2020 at 15:43:44 clock.

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Evaluation for the domain uetze.de 

Nameserverset:
ns.norplex-communications.com
ns.norplex-communications.net
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
212.95.127.190 EWE-Tel GmbH blacklist 
212.95.127.88 EWE-Tel GmbH blacklist 
82.198.220.139 Bremen Briteline GmbH blacklist 
213.203.219.208 PlusServer GmbH blacklist 
46.30.60.145 Mittwald CM Service GmbH & Co. KG blacklist 
212.95.127.89 EWE-Tel GmbH blacklist 
212.95.127.91 EWE-Tel GmbH blacklist 
141.91.175.181 Anstalt des oeffentlichen Rechts blacklist 
141.91.175.182 Anstalt des oeffentlichen Rechts blacklist 
193.101.67.2/31
Anstalt des oeffentlichen Rechts blacklist 
141.91.184.160/27
Anstalt des oeffentlichen Rechts blacklist 
141.91.240.135 Anstalt des oeffentlichen Rechts blacklist 
141.91.240.138 Anstalt des oeffentlichen Rechts blacklist 
141.91.172.187 Anstalt des oeffentlichen Rechts blacklist 
141.91.172.188 Anstalt des oeffentlichen Rechts blacklist 
141.91.175.179 Anstalt des oeffentlichen Rechts blacklist 
141.91.175.180 Anstalt des oeffentlichen Rechts blacklist 
141.91.175.181 Anstalt des oeffentlichen Rechts blacklist 
141.91.175.182 Anstalt des oeffentlichen Rechts blacklist 
141.91.162.35 Anstalt des oeffentlichen Rechts blacklist 
141.91.162.36 Anstalt des oeffentlichen Rechts blacklist 
89.184.172.4 Enreach Netherlands B.V. blacklist 
212.95.127.89 EWE-Tel GmbH blacklist 
212.95.127.91 EWE-Tel GmbH blacklist 
80.82.223.0/24
myLoc managed IT AG blacklist 
83.220.132.0/24
PlusServer GmbH blacklist 
85.114.145.0/24
myLoc managed IT AG blacklist 
2001:4ba0:92e0::/48
myLoc managed IT AG blacklist 
2001:4ba0:92f3:3::/64
myLoc managed IT AG blacklist 
2a00:e10:1000:c::/64
PlusServer GmbH blacklist 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: uetze.de

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:itebo.de
v=spf1 a:mail2.itebo.de a:mail1.itebo.de ip4:82.198.220.139 a:mailgw.electronicsales.de a:mymxserver.com a:mail1x.itebo.de a:mail2x.itebo.de include:dataport.de a:smtp.ispworks.net mx -all
mx:
mail1x.itebo.de
mx:
mail2x.itebo.de
ipv4:
82.198.220.139
include:dataport.de
v=spf1 mx ip4:193.101.67.2/31 ip4:141.91.184.160/27 ip4:141.91.240.135 ip4:141.91.240.138 ip4:141.91.172.187 ip4:141.91.172.188 ip4:141.91.175.179 ip4:141.91.175.180 ip4:141.91.175.181 ip4:141.91.175.182 ip4:141.91.162.35 ip4:141.91.162.36 -all
mx:
mx1.ondataport.de
mx:
mx2.ondataport.de
ipv4:
193.101.67.2/31
ipv4:
141.91.184.160/27
ipv4:
141.91.240.135
ipv4:
141.91.240.138
ipv4:
141.91.172.187
ipv4:
141.91.172.188
ipv4:
141.91.175.179
ipv4:
141.91.175.180
ipv4:
141.91.175.181
ipv4:
141.91.175.182
ipv4:
141.91.162.35
ipv4:
141.91.162.36
include:nol-is.de
v=spf1 ip4:80.82.223.0/24 ip4:83.220.132.0/24 ip4:85.114.145.0/24 ip6:2001:4ba0:92e0::/48 ip6:2001:4ba0:92f3:3::/64 ip6:2a00:e10:1000:c::/64 ?all
ipv4:
80.82.223.0/24
ipv4:
83.220.132.0/24
ipv4:
85.114.145.0/24
ipv6:
2001:4ba0:92e0::/48
ipv6:
2001:4ba0:92f3:3::/64
ipv6:
2a00:e10:1000:c::/64

E-Mail handling

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

-all
Fail (non-compliant e-mails are rejected)

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 )

Unknown mechanisms

No unknown mechanisms were found in 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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Recently performed SPF lookups

Server IP Address

We have determined the following IP address for the domain:

80.82.223.240

Reverse address

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

nolis14.nol-is.de

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