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Lookups
1
Issue
259
IPv4 addresses
1
IPv6 address
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ptr ip4:185.56.186.32/32 include:spf.zetta.io ~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
1 IPv6 address
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
185.56.186.32 / 32
pass
if the sender's IP is between
185.56.186.32 and 185.56.186.32 (inclusive).
185.56.186.32 and 185.56.186.32 (inclusive).
Nexthop AS
AS60130
or else
include:
spf.zetta.io
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a ptr ip4:185.56.186.32 include:spf.zetta.io ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
1 x ip4 ~all