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Lookups
1
Issue
288
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 ip4:64.39.143.27 include:spf.ess.barracudanetworks.com include:everbridge.net ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
6 IPv4 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
64.39.143.27 / 32
pass
if the sender's IP is between
64.39.143.27 and 64.39.143.27 (inclusive).
64.39.143.27 and 64.39.143.27 (inclusive).
CNSNext
AS16700
or else
include:
spf.ess.barracudanetworks.com
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
include:
everbridge.net
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 ptr ip4:64.39.143.27 include:spf.ess.barracudanetworks.com include:everbridge.net ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
1 x ip4 -all
25 x ip4 exists:%{i}._spf.sparkpostmail.com -all
