ktit.de SPF record

3 / 10 Lookups
1 Issue
1,186 IPv4 addresses
0 IPv6 addresses

The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.

v=spf1 a mx ptr ip4:217.194.228.0/28 ip4:217.194.229.0/25 ip4:217.194.235.0/28 ip4:149.232.252.0/22 -all Copied

Terms

a
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx
pass if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ptr:
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
ip4:
217.194.228.0 / 28
pass if the sender's IP is between
217.194.228.0 and 217.194.228.15 (inclusive).
KPS Transformation
AS20775
or else
ip4:
217.194.229.0 / 25
pass if the sender's IP is between
217.194.229.0 and 217.194.229.127 (inclusive).
KPS Transformation
AS20775
or else
ip4:
217.194.235.0 / 28
pass if the sender's IP is between
217.194.235.0 and 217.194.235.15 (inclusive).
KPS Transformation
AS20775
or else
ip4:
149.232.252.0 / 22
pass if the sender's IP is between
149.232.252.0 and 149.232.255.255 (inclusive).
Marc-Christian Schroeer trading as 'ingenit GmbH & Co. KG'
AS57376
or else
-all
fail the email's SPF check.

Included records

v=spf1 a mx ptr ip4:217.194.228.0/28 ip4:217.194.229.0/25 ip4:217.194.235.0/28 ip4:149.232.252.0/22 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable

IP ranges

149.232.252.70
Marc-Christian Schroeer trading as 'ingenit GmbH & Co. KG'
AS57376
149.232.252.40
Marc-Christian Schroeer trading as 'ingenit GmbH & Co. KG'
AS57376
217.194.228.0 / 28
KPS Transformation
AS20775
217.194.229.0 / 25
KPS Transformation
AS20775
217.194.235.0 / 28
KPS Transformation
AS20775
149.232.252.0 / 22
Marc-Christian Schroeer trading as 'ingenit GmbH & Co. KG'
AS57376