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.
Does a valid SPF record exist?
An SPF record was found for the domain igtstech.de.
The SPF record for igtstech.de is not valid.
The syntax check resulted in a total of 4 errors.
of the email -Spoofing protection for this domain is not or not sufficiently provided.
Which IP-s are legitimate to send emails?
In total, 2 IP address(es) were authorized by the SPF record to send emails.
The SPF record analysis was performed on 23.11.2024 at 21:38:56 clock.
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(igtstech.de) Invalid mechanisms in SPF-Record!
Error in'a' '' (invalid domain name)
Error in: '2' | Unknown mechanism or invalid syntax!
OK for 'v' -> 'spf1'
OK for 'ip4' -> '89.163.221.195'
OK for 'ip6' -> '2001:4ba0:cafe:767::1'
OK for 'all' -> '-'
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There is more than just one SPF record at a time!
igtstech.de (Nameserver: 173.201.69.32):-> There is more than just one SPF record!
igtstech.de (Nameserver: 97.74.101.32):-> There is more than just one SPF record!
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(igtstech.de) The DNS lookup limit was not exceeded.
The limit was not exceeded:
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(igtstech.de) The SPF consists of a permissible character set.
The SPF record of igtstech.de contains valid characters.
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SPF record available?
We found an SPF record for the domain.
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
Additionally authorized IPv4 addresses
Explicit IPv4 addresses in the SPF record have been authorized to send
Additionally authorized IPv6 addresses
Explicit IPv6 addresses in the SPF record have been authorized to send
E-Mail handling
How should the checkHost() function of the e-mail server handle the e-mail? (syntax )
Unknown mechanisms
Unknown mechanisms were found in the SPF record
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.
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
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 )
Receiver address
analysis.ra-missing
Amount of reports
analysis.rp-missing
Report selection
analysis.rr-missing
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:
webmail.igcsonline.de
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