3 / 10
Lookups
1
Issue
258
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
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:
195.130.247.0 / 24
pass
if the sender's IP is between
195.130.247.0 and 195.130.247.255 (inclusive).
195.130.247.0 and 195.130.247.255 (inclusive).
Tiscali Italia S.P.A.
AS8612
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx ptr ip4:195.130.247.0/24 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable