Generate SPF

Generate the appropriate SPF record for your domain free of charge in order to send e-mails with optimal deliverability and security.

1. Enter domain name

Enter a domain to be checked for the SPF record.

Look up existing SPF record from DNS

What is the SPF generator for?

The SPF Generator helps you to easily create a SPF record for a domain. Enter the domain for which you want to create an SPF record and use the wizard to define which IP addresses are authorized by the SPF record to send e-mails. The generated SPF-record can then be stored as TXT resource record in the zone of your name server.

2. Authorize desired IP addresses

Set mechanisms which authorize certain IP addresses to send e-mails

Should the reference be made to the SPF record of another domain?

Enter another domain on the basis of which the mail server should treat your e-mails as trustworthy.

mechanism: redirect=<domain>

Can the server send e-mails via the IPv4 and IPv6 addresses?

If this question is answered with "Yes", the server that is stored in the domain name server settings according to the A record and the AAAA record can send e-mails.

mechanism: a

May the registered mailserver send e-mails?

Mail servers (MX record) entered in the name server are intended to receive e-mails. By activating this option, they can also send e-mails.

mechanism: mx

Have secure SPF record created by expert
from 749€

Order SPF record

1. You send an email to our analysis system
2. We will send you the finished SPF record
3. You implement the SPF record
4. We check the setup final

Have secure SPF record created by expert
from 749€

Order SPF record

Advanced Settings

Authorize additional A / AAAA records

Enter here further regular host names from which e-mails may be sent. One host name per line . (e.g. tickets.domainname.com)

mechanism: a:<domain>

Authorize additional MX records

Specify additional regular host names here, whose mail server is authorized to send e-mail on behalf of the domain. One host name per line . (e.g. tickets.domainname.com)

mechanism: mx:<domain>

Authorize additional IPv4 addresses

Enter additional IPv4 addresses that may send e-mails for your domain. Enter an IP address per line . Format: 192.100.100.1/20

mechanism: ip4:<ipv4>

Authorize additional IPv6 addresses

Enter additional IPv6 addresses that may send e-mails for your domain. Enter an IP address per line . Format: 2607:f8b0:4000:812::2003

mechanism: ip6:<ipv6>

Delegate to external SPF record (include)

If the e-mail is sent on the basis of another domain, for example that you send an e-mail via the server of your ISP and the latter has published an SPF record, please enter a domain per line .

mechanism: include:<domain>

Authorize IP addresses with Macros

When evaluating the SPF, macros specific can authorize an IP address based on the request or connection of the user or client. Enter a macro per line (RFC7208 )

mechanism: exists:<makro>

How should the e-mails be handled by the server?

Select an option how the server should handle e-mails. We recommend SoftFail.

mechanism: <-|~|?>all

3. Copy the SPF record and enter it in the name server

SPF record which should be saved as TXT entry in your name server

Hostname:
Record-Type: TXT

Current configuration:

Generate SPF

1. Enter domain name

1. Your data

What is the SPF generator for?

2. Authorize desired IP addresses

3. Copy the SPF record and enter it in the name server