3 / 10
Lookups
1
Issue
9
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ip4:51.210.229.155 ip4:51.210.229.99 ip4:51.210.229.100 ip4:51.210.229.36 ip4:51.210.229.37 ip4:51.210.229.38 mx a ptr ~all
Copied
Terms
ip4:
51.210.229.155 / 32
pass
if the sender's IP is between
51.210.229.155 and 51.210.229.155 (inclusive).
51.210.229.155 and 51.210.229.155 (inclusive).
OVH
AS16276
or else
ip4:
51.210.229.99 / 32
pass
if the sender's IP is between
51.210.229.99 and 51.210.229.99 (inclusive).
51.210.229.99 and 51.210.229.99 (inclusive).
OVH
AS16276
or else
ip4:
51.210.229.100 / 32
pass
if the sender's IP is between
51.210.229.100 and 51.210.229.100 (inclusive).
51.210.229.100 and 51.210.229.100 (inclusive).
OVH
AS16276
or else
ip4:
51.210.229.36 / 32
pass
if the sender's IP is between
51.210.229.36 and 51.210.229.36 (inclusive).
51.210.229.36 and 51.210.229.36 (inclusive).
OVH
AS16276
or else
ip4:
51.210.229.37 / 32
pass
if the sender's IP is between
51.210.229.37 and 51.210.229.37 (inclusive).
51.210.229.37 and 51.210.229.37 (inclusive).
OVH
AS16276
or else
ip4:
51.210.229.38 / 32
pass
if the sender's IP is between
51.210.229.38 and 51.210.229.38 (inclusive).
51.210.229.38 and 51.210.229.38 (inclusive).
OVH
AS16276
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
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:
.
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 ip4:51.210.229.155 ip4:51.210.229.99 ip4:51.210.229.100 ip4:51.210.229.36 ip4:51.210.229.37 ip4:51.210.229.38 mx a ptr ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable