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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 mx a ptr ip4:91.204.117.4 ip4:91.204.117.10 ip4:91.204.117.11 ip4:91.204.117.12 ip4:91.204.117.13 -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
91.204.117.4 / 32
pass
if the sender's IP is between
91.204.117.4 and 91.204.117.4 (inclusive).
91.204.117.4 and 91.204.117.4 (inclusive).
AZNET s.a.r.l.
AS44976
or else
ip4:
91.204.117.10 / 32
pass
if the sender's IP is between
91.204.117.10 and 91.204.117.10 (inclusive).
91.204.117.10 and 91.204.117.10 (inclusive).
AZNET s.a.r.l.
AS44976
or else
ip4:
91.204.117.11 / 32
pass
if the sender's IP is between
91.204.117.11 and 91.204.117.11 (inclusive).
91.204.117.11 and 91.204.117.11 (inclusive).
AZNET s.a.r.l.
AS44976
or else
ip4:
91.204.117.12 / 32
pass
if the sender's IP is between
91.204.117.12 and 91.204.117.12 (inclusive).
91.204.117.12 and 91.204.117.12 (inclusive).
AZNET s.a.r.l.
AS44976
or else
ip4:
91.204.117.13 / 32
pass
if the sender's IP is between
91.204.117.13 and 91.204.117.13 (inclusive).
91.204.117.13 and 91.204.117.13 (inclusive).
AZNET s.a.r.l.
AS44976
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx a ptr ip4:91.204.117.4 ip4:91.204.117.10 ip4:91.204.117.11 ip4:91.204.117.12 ip4:91.204.117.13 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable