3 / 10
Lookups
1
Issue
8
IPv4 addresses
2
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ip4:89.185.242.166 ip4:80.79.25.122 ip4:80.79.25.2 ip4:77.93.216.122 ip4:80.79.25.99 a mx ptr ~all
Copied
Terms
ip4:
89.185.242.166 / 32
pass
if the sender's IP is between
89.185.242.166 and 89.185.242.166 (inclusive).
89.185.242.166 and 89.185.242.166 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
80.79.25.122 / 32
pass
if the sender's IP is between
80.79.25.122 and 80.79.25.122 (inclusive).
80.79.25.122 and 80.79.25.122 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
80.79.25.2 / 32
pass
if the sender's IP is between
80.79.25.2 and 80.79.25.2 (inclusive).
80.79.25.2 and 80.79.25.2 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
77.93.216.122 / 32
pass
if the sender's IP is between
77.93.216.122 and 77.93.216.122 (inclusive).
77.93.216.122 and 77.93.216.122 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
80.79.25.99 / 32
pass
if the sender's IP is between
80.79.25.99 and 80.79.25.99 (inclusive).
80.79.25.99 and 80.79.25.99 (inclusive).
MasterDC s.r.o.
AS24971
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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
2 IPv6 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:89.185.242.166 ip4:80.79.25.122 ip4:80.79.25.2 ip4:77.93.216.122 ip4:80.79.25.99 a mx ptr ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable