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1
Issue
10
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 ip4:78.31.90.50 ip4:78.31.90.47 ip4:78.31.90.52 ip4:78.31.90.53 ip4:78.31.90.54 ip4:78.31.90.56 ip4:78.31.90.57 ip4:78.31.90.49 -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:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
78.31.90.50 / 32
pass
if the sender's IP is between
78.31.90.50 and 78.31.90.50 (inclusive).
78.31.90.50 and 78.31.90.50 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.47 / 32
pass
if the sender's IP is between
78.31.90.47 and 78.31.90.47 (inclusive).
78.31.90.47 and 78.31.90.47 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.52 / 32
pass
if the sender's IP is between
78.31.90.52 and 78.31.90.52 (inclusive).
78.31.90.52 and 78.31.90.52 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.53 / 32
pass
if the sender's IP is between
78.31.90.53 and 78.31.90.53 (inclusive).
78.31.90.53 and 78.31.90.53 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.54 / 32
pass
if the sender's IP is between
78.31.90.54 and 78.31.90.54 (inclusive).
78.31.90.54 and 78.31.90.54 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.56 / 32
pass
if the sender's IP is between
78.31.90.56 and 78.31.90.56 (inclusive).
78.31.90.56 and 78.31.90.56 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.57 / 32
pass
if the sender's IP is between
78.31.90.57 and 78.31.90.57 (inclusive).
78.31.90.57 and 78.31.90.57 (inclusive).
Fione Sp. z o.o.
AS30813
or else
ip4:
78.31.90.49 / 32
pass
if the sender's IP is between
78.31.90.49 and 78.31.90.49 (inclusive).
78.31.90.49 and 78.31.90.49 (inclusive).
Fione Sp. z o.o.
AS30813
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx a ptr ip4:78.31.90.50 ip4:78.31.90.47 ip4:78.31.90.52 ip4:78.31.90.53 ip4:78.31.90.54 ip4:78.31.90.56 ip4:78.31.90.57 ip4:78.31.90.49 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable