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Lookups
1
Issue
1,027
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 ptr ip4:194.51.85.0/24 ip4:194.206.126.0/24 ip4:195.146.235.0/24 ip4:195.146.237.0/24 ip4:83.136.160.66 ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
194.51.85.0 / 24
pass
if the sender's IP is between
194.51.85.0 and 194.51.85.255 (inclusive).
194.51.85.0 and 194.51.85.255 (inclusive).
NordNet SA
AS8362
or else
ip4:
194.206.126.0 / 24
pass
if the sender's IP is between
194.206.126.0 and 194.206.126.255 (inclusive).
194.206.126.0 and 194.206.126.255 (inclusive).
NordNet SA
AS8362
or else
ip4:
195.146.235.0 / 24
pass
if the sender's IP is between
195.146.235.0 and 195.146.235.255 (inclusive).
195.146.235.0 and 195.146.235.255 (inclusive).
NordNet SA
AS8362
or else
ip4:
195.146.237.0 / 24
pass
if the sender's IP is between
195.146.237.0 and 195.146.237.255 (inclusive).
195.146.237.0 and 195.146.237.255 (inclusive).
NordNet SA
AS8362
or else
ip4:
83.136.160.66 / 32
pass
if the sender's IP is between
83.136.160.66 and 83.136.160.66 (inclusive).
83.136.160.66 and 83.136.160.66 (inclusive).
Keyyo SA
AS34659
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ptr ip4:194.51.85.0/24 ip4:194.206.126.0/24 ip4:195.146.235.0/24 ip4:195.146.237.0/24 ip4:83.136.160.66 ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable