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1
Issue
572,423
IPv4 addresses
4.95 â‹… 10
27
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 a mx ptr include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net ip4:177.72.160.133 ~all
Copied
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
5 IPv6 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
include:
_spf.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
or else
include:
_spf.rdstation.com.br
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:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
ip4:
177.72.160.133 / 32
pass
if the sender's IP is between
177.72.160.133 and 177.72.160.133 (inclusive).
177.72.160.133 and 177.72.160.133 (inclusive).
GETCARD PROVEDORA DE TRANSACOES ELETRONICAS LTDA
AS262548
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a mx ptr include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net ip4:177.72.160.133 ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
2 x ip4 6 x ip6 ~all
include:sendgrid.net ?all
