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1
Issue
1,538
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ptr ip4:80.243.168.0/24 ip4:85.31.1.0/24 ip4:91.210.140.0/22 -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
80.243.168.0 / 24
pass
if the sender's IP is between
80.243.168.0 and 80.243.168.255 (inclusive).
80.243.168.0 and 80.243.168.255 (inclusive).
eww
AS21013
or else
ip4:
85.31.1.0 / 24
pass
if the sender's IP is between
85.31.1.0 and 85.31.1.255 (inclusive).
85.31.1.0 and 85.31.1.255 (inclusive).
eww
AS21013
or else
ip4:
91.210.140.0 / 22
pass
if the sender's IP is between
91.210.140.0 and 91.210.143.255 (inclusive).
91.210.140.0 and 91.210.143.255 (inclusive).
eww
AS21013
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx a ptr ip4:80.243.168.0/24 ip4:85.31.1.0/24 ip4:91.210.140.0/22 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable