SPF Check:
bksystems.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: 2 Error
  •   Email Spoofing Protection: Poor
Summary of the SPF check

Does a valid SPF record exist?
An SPF record was found for the domain bksystems.de.
The SPF record for bksystems.de is not valid.
The syntax check resulted in a total of 2 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, 104 IP address(es) were authorized by the SPF record to send emails. 7 of these are not taken into account by the Mail Transfer Agent evaluation and are not authorized to send emails on behalf of the domain.

The SPF record analysis was performed on 28.03.2024 at 20:04:38 clock.

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

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Evaluation for the domain bksystems.de 

Nameserverset:
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
213.133.106.242 Hetzner Online GmbH blacklist 
213.133.106.252 Hetzner Online GmbH blacklist 
78.46.0.100 Hetzner Online GmbH blacklist 
213.133.105.184 Hetzner Online GmbH blacklist 
213.133.106.108 Hetzner Online GmbH blacklist 
213.133.106.33 Hetzner Online GmbH blacklist 
213.133.99.103 Hetzner Online GmbH blacklist 
78.46.10.45 Hetzner Online GmbH blacklist 
78.46.10.230 Hetzner Online GmbH blacklist 
78.46.1.93 Hetzner Online GmbH blacklist 
85.10.215.232 Hetzner Online GmbH blacklist 
213.133.104.100 Hetzner Online GmbH blacklist 
213.133.104.190 Hetzner Online GmbH blacklist 
88.198.220.171 Hetzner Online GmbH blacklist 
213.133.107.241 Hetzner Online GmbH blacklist 
78.46.167.60 Hetzner Online GmbH blacklist 
213.95.79.236 noris network AG blacklist 
213.95.79.238 noris network AG blacklist 
213.133.104.248 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:203a::1 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:206b::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:27b6::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:273f::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:32f8::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2003::1 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2399::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:203b::1 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:5087::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2001::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:65e8::2 Hetzner Online GmbH blacklist 
2a01:4f8:0:a103:b468:caff:fe6d:36df Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2011::1 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2011::2 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:2724::2 Hetzner Online GmbH blacklist 
2001:780:27c:a::2 noris network AG blacklist 
2001:780:27c:c::2 noris network AG blacklist 
212.227.17.1 IONOS SE blacklist 
212.227.126.208 IONOS SE blacklist 
212.227.17.2 IONOS SE blacklist 
212.227.126.209 IONOS SE blacklist 
212.227.15.8 IONOS SE blacklist 
212.227.15.7 IONOS SE blacklist 
212.227.17.27 IONOS SE blacklist 
212.227.17.7 IONOS SE blacklist 
212.227.17.17 IONOS SE blacklist 
212.227.126.207 IONOS SE blacklist 
212.227.17.16 IONOS SE blacklist 
212.227.126.206 IONOS SE blacklist 
212.227.126.225 IONOS SE blacklist 
212.227.15.52 IONOS SE blacklist 
212.227.126.224 IONOS SE blacklist 
212.227.126.222 IONOS SE blacklist 
212.227.15.47 IONOS SE blacklist 
212.227.126.223 IONOS SE blacklist 
212.227.126.220 IONOS SE blacklist 
212.227.15.53 IONOS SE blacklist 
212.227.126.226 IONOS SE blacklist 
212.227.126.221 IONOS SE blacklist 
212.227.15.50 IONOS SE blacklist 
212.227.126.227 IONOS SE blacklist 
62.93.3.42 TNG Stadtnetz GmbH blacklist 
78.47.106.15 Hetzner Online GmbH blacklist 
2a01:4f8:d0a:648f::2 Hetzner Online GmbH blacklist 
20.92.116.22 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.86.225.121 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
13.74.137.176 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.113.3.253 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.49.202.3 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.98.2.159 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
13.93.42.39 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.86.165.91 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.79.220.33 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.42.205.31 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
52.138.216.130 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.98.33.77 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.93.157.195 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.86.217.129 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
23.100.56.64 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.58.22.103 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
23.100.43.194 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.79.222.204 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
13.77.59.28 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.114.221.220 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
20.97.70.227 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.69.19.60 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
52.170.22.60 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
13.94.95.171 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
52.237.30.247 MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.92.0.0/15
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
40.107.0.0/16
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
52.100.0.0/14
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
104.47.0.0/17
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
2a01:111:f400::/48
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
2a01:111:f403::/49
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
2a01:111:f403:8000::/51
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
2a01:111:f403:c000::/51
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
2a01:111:f403:f000::/52
MICROSOFT-CORP-MSN-AS-BLOCK blacklist 
8.12.58.0/24
DATTO-ENT blacklist 
8.34.161.0/24
DATTO-DOM blacklist 
8.224.10.0/24
AUTOTASK-CORPORATION blacklist 
213.212.96.64/27
Redcentric Solutions Ltd blacklist 
185.217.59.0/24
DATTO-INT blacklist 
162.244.87.54/32
DATTO-DOM blacklist 
139.28.145.128/26
DATTO-INT blacklist 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: bksystems.de

SPF record available?

We found an SPF record for the domain.

v=spf1

Additionally authorized IPv4 addresses

Explicit IPv4 addresses in the SPF record have been authorized to send

62.93.3.42
78.47.106.15

Additionally authorized IPv6 addresses

Explicit IPv6 addresses in the SPF record have been authorized to send

2a01:4f8:d0a:648f::2

Additional external SPF records

We could find other records authorized in the SPF record

include:_spf.hetzner.com
v=spf1 include:_spf4.hetzner.com include:_spf6.hetzner.com -all
include:_spf4.hetzner.com
v=spf1 +ip4:213.133.106.242 +ip4:213.133.106.252 +ip4:78.46.0.100 +ip4:213.133.105.184 +ip4:213.133.106.108 +ip4:213.133.106.33 +ip4:213.133.99.103 +ip4:78.46.10.45 +ip4:78.46.10.230 +ip4:78.46.1.93 +ip4:85.10.215.232 +ip4:213.133.104.100 +ip4:213.133.104.190 +ip4:88.198.220.171 +ip4:213.133.107.241 +ip4:78.46.167.60 +ip4:213.95.79.236 +ip4:213.95.79.238 +ip4:213.133.104.248 -all
ipv4:
213.133.106.242
ipv4:
213.133.106.252
ipv4:
78.46.0.100
ipv4:
213.133.105.184
ipv4:
213.133.106.108
ipv4:
213.133.106.33
ipv4:
213.133.99.103
ipv4:
78.46.10.45
ipv4:
78.46.10.230
ipv4:
78.46.1.93
ipv4:
85.10.215.232
ipv4:
213.133.104.100
ipv4:
213.133.104.190
ipv4:
88.198.220.171
ipv4:
213.133.107.241
ipv4:
78.46.167.60
ipv4:
213.95.79.236
ipv4:
213.95.79.238
ipv4:
213.133.104.248
include:_spf6.hetzner.com
v=spf1 +ip6:2a01:4f8:d0a:203a::1 +ip6:2a01:4f8:d0a:206b::2 +ip6:2a01:4f8:d0a:27b6::2 +ip6:2a01:4f8:d0a:273f::2 +ip6:2a01:4f8:d0a:32f8::2 +ip6:2a01:4f8:d0a:2003::1 +ip6:2a01:4f8:d0a:2399::2 +ip6:2a01:4f8:d0a:203b::1 +ip6:2a01:4f8:d0a:5087::2 +ip6:2a01:4f8:d0a:2001::2 +ip6:2a01:4f8:d0a:65e8::2 +ip6:2a01:4f8:0:a103:b468:caff:fe6d:36df +ip6:2a01:4f8:d0a:2011::1 +ip6:2a01:4f8:d0a:2011::2 +ip6:2a01:4f8:d0a:2724::2 +ip6:2001:780:27c:a::2 +ip6:2001:780:27c:c::2 -all
ipv6:
2a01:4f8:d0a:203a::1
ipv6:
2a01:4f8:d0a:206b::2
ipv6:
2a01:4f8:d0a:27b6::2
ipv6:
2a01:4f8:d0a:273f::2
ipv6:
2a01:4f8:d0a:32f8::2
ipv6:
2a01:4f8:d0a:2003::1
ipv6:
2a01:4f8:d0a:2399::2
ipv6:
2a01:4f8:d0a:203b::1
ipv6:
2a01:4f8:d0a:5087::2
ipv6:
2a01:4f8:d0a:2001::2
ipv6:
2a01:4f8:d0a:65e8::2
ipv6:
2a01:4f8:0:a103:b468:caff:fe6d:36df
ipv6:
2a01:4f8:d0a:2011::1
ipv6:
2a01:4f8:d0a:2011::2
ipv6:
2a01:4f8:d0a:2724::2
ipv6:
2001:780:27c:a::2
ipv6:
2001:780:27c:c::2
unknown:
include:_spf.1und1.de
v=spf1 a:moi.1and1.com a:moint.1and1.com a:mxint.1and1.com a:mbulk.1and1.com -all
include:spf.emailsignatures365.com
v=spf1 ip4:20.92.116.22 ip4:40.86.225.121 ip4:13.74.137.176 ip4:40.113.3.253 ip4:20.49.202.3 ip4:20.98.2.159 ip4:13.93.42.39 ip4:40.86.165.91 ip4:20.79.220.33 ip4:20.42.205.31 ip4:52.138.216.130 ip4:20.98.33.77 ip4:20.93.157.195 ip4:40.86.217.129 ip4:23.100.56.64 ip4:20.58.22.103 ip4:23.100.43.194 ip4:20.79.222.204 ip4:13.77.59.28 ip4:40.114.221.220 ip4:20.97.70.227 ip4:40.69.19.60 ip4:52.170.22.60 ip4:13.94.95.171 ip4:52.237.30.247 -all
ipv4:
20.92.116.22
ipv4:
40.86.225.121
ipv4:
13.74.137.176
ipv4:
40.113.3.253
ipv4:
20.49.202.3
ipv4:
20.98.2.159
ipv4:
13.93.42.39
ipv4:
40.86.165.91
ipv4:
20.79.220.33
ipv4:
20.42.205.31
ipv4:
52.138.216.130
ipv4:
20.98.33.77
ipv4:
20.93.157.195
ipv4:
40.86.217.129
ipv4:
23.100.56.64
ipv4:
20.58.22.103
ipv4:
23.100.43.194
ipv4:
20.79.222.204
ipv4:
13.77.59.28
ipv4:
40.114.221.220
ipv4:
20.97.70.227
ipv4:
40.69.19.60
ipv4:
52.170.22.60
ipv4:
13.94.95.171
ipv4:
52.237.30.247
include:spf.protection.outlook.com
v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all
ipv4:
40.92.0.0/15
ipv4:
40.107.0.0/16
ipv4:
52.100.0.0/14
ipv4:
104.47.0.0/17
ipv6:
2a01:111:f400::/48
ipv6:
2a01:111:f403::/49
ipv6:
2a01:111:f403:8000::/51
ipv6:
2a01:111:f403:c000::/51
ipv6:
2a01:111:f403:f000::/52
include:autotask.net
v=spf1 ip4:8.12.58.0/24 ip4:8.34.161.0/24 ip4:8.224.10.0/24 ip4:213.212.96.64/27 ip4:185.217.59.0/24 ip4:162.244.87.54/32 ip4:139.28.145.128/26 -all
ipv4:
8.12.58.0/24
ipv4:
8.34.161.0/24
ipv4:
8.224.10.0/24
ipv4:
213.212.96.64/27
ipv4:
185.217.59.0/24
ipv4:
162.244.87.54/32
ipv4:
139.28.145.128/26

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

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:

www437.your-server.de

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