SPF Check:
dertour-reisebuero.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.

Loading...

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 dertour-reisebuero.de.
The SPF record for dertour-reisebuero.de 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, 55 IP address(es) were authorized by the SPF record to send emails.

The SPF record analysis was performed on 15.06.2024 at 18:29:56 clock.

Lookup for the domain:
dertour-reisebuero.de
IP address to be checked:
no IP address specified
Solve your problems in no time
Guaranteed measurable improvement for email deliverability and domain security
Solve your problems in no time

Evaluation for the domain dertour-reisebuero.de 

Nameserverset:
ns2.xc-ns.de
ns5.xc-ns.de
Determined SPF record:
Legitimated IP addresses:
IP Provider / ASN DNSBL-Check
195.4.70.0/23
freenet Datenkommunikations GmbH blacklist 
80.87.174.253/29
CANCOM Managed Services GmbH blacklist 
85.115.54.190 Forcepoint Cloud Ltd blacklist 
194.116.128.11 Digital Frankfurt GmbH blacklist 
78.137.101.75 IONOS SE blacklist 
185.132.182.34 Proofpoint, Inc. blacklist 
143.55.148.200 Proofpoint, Inc. blacklist 
66.159.232.158 Proofpoint, Inc. blacklist 
143.55.150.49 Proofpoint, Inc. blacklist 
83.246.65.0/24
kyberio GmbH blacklist 
185.140.204.0/22
HKN GmbH blacklist 
94.100.128.0/20
- blacklist 
81.20.94.0/24
QualityHosting AG blacklist 
173.45.18.0/24
AMC blacklist 
52.62.123.207/32
AMAZON-02 blacklist 
52.62.108.212/32
AMAZON-02 blacklist 
103.151.192.0/23
AMAZON-02 blacklist 
185.12.80.0/22
- blacklist 
188.172.128.0/20
- blacklist 
192.161.144.0/20
- blacklist 
216.198.0.0/18
AMAZON-02 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 
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 
52.240.209.173 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 
20.98.2.159 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 
SPF-Syntax Check:
Analysis result of the SPF record for the domain: dertour-reisebuero.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:spf1.dertour-reisebuero.de
v=spf1 ip4:195.4.70.0/23 ip4:80.87.174.253/29 ip4:85.115.54.190 ip4:194.116.128.11 ip4:78.137.101.75 -all
ipv4:
195.4.70.0/23
ipv4:
80.87.174.253/29
ipv4:
85.115.54.190
ipv4:
194.116.128.11
ipv4:
78.137.101.75
include:spf2.dertour-reisebuero.de
v=spf1 include:spf-001d0c01.pphosted.com include:spf-001d0c03.pphosted.com include:antispameurope.com include:mail.zendesk.com -all
include:spf-001d0c01.pphosted.com
v=spf1 ip4:185.132.182.34 ip4:143.55.148.200
ipv4:
185.132.182.34
ipv4:
143.55.148.200
include:spf-001d0c03.pphosted.com
v=spf1 ip4:66.159.232.158 ip4:143.55.150.49
ipv4:
66.159.232.158
ipv4:
143.55.150.49
include:antispameurope.com
v=spf1 ip4:83.246.65.0/24 ip4:185.140.204.0/22 ip4:94.100.128.0/20 ip4:81.20.94.0/24 ip4:173.45.18.0/24 ip4:52.62.123.207/32 ip4:52.62.108.212/32 ~all
ipv4:
83.246.65.0/24
ipv4:
185.140.204.0/22
ipv4:
94.100.128.0/20
ipv4:
81.20.94.0/24
ipv4:
173.45.18.0/24
ipv4:
52.62.123.207/32
ipv4:
52.62.108.212/32
include:mail.zendesk.com
v=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all
ipv4:
103.151.192.0/23
ipv4:
185.12.80.0/22
ipv4:
188.172.128.0/20
ipv4:
192.161.144.0/20
ipv4:
216.198.0.0/18
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: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 ip4:52.240.209.173 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 ip4:20.98.2.159 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:
52.240.209.173
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:
20.98.2.159
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

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 )

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:

static.240.153.201.138.clients.your-server.de

Free whitepaper

How secure is your domain?

  • Practical with many examples
  • the basics of domain risk management summarized in 20 pages
  • Checklist with 53 questions on 14 risk areas

Get a first impression of the risk potential in your company

⮩ Download "Domain Risk Management" for free
All offers are aimed at traders, not end consumers and do not include VAT.
© 2024 nicmanager.com.   All rights reserved.
nicmanager   Connected by Team Internet